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Evergreen Huckleberry

Vaccinium ovatum Pursh

Broad-scale Impacts of Plant Response to Fire

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More info for the term: prescribed fire

The Research Papers (Hamilton 2006a, Hamilton 2006b) and Research Project Summary of Hamilton's studies provide information on
prescribed fire and postfire response of many plant species, including
evergreen huckleberry.
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Common Names

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evergreen huckleberry
box huckleberry
evergreen blueberry
shot huckleberry
California huckleberry
box blueberry
black huckleberry
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Cover Value

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More info for the term: cover

Evergreen huckleberry presumably provides cover for a variety of
wildlife species.  It commonly forms dense thickets [57,61] which may
serve as hiding, resting, or nesting sites for many birds and mammals.
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Description

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More info for the terms: fruit, root crown, shrub

Evergreen huckleberry is a much-branched, stout erect, or semispreading
evergreen shrub [28,40,51] which reaches 1.5 to 15 feet (0.5-4.6 m) in
height [34,39].  Plants often become spindly and clambering with
extremes of either moisture or shade [28].  Twigs are reddish-brown and
covered with short hairs [21,39].  Stem morphology has been examined in
detail [43].  Plants often possess a "massive" root crown which comprises
up to 15.4 percent of the total belowground biomass [65].  Belowground
biomass is distributed as follows [65]:

              root crown         15.4 percent
              lateral roots       5.0 percent
              taproot            79.6 percent

Numerous, alternate leaves are thick, leathery, and ovate to
oblong-lanceolate [21,27,51].  Leaves are rounded at the base but acute
at the apex [40].  The upper surface is shiny, glossy, and dark green,
whereas the underside is dull and paler [34,40,51].  Leaves typically
have serrate margins [27].

The fragrant, bell-shaped flowers are pink to whitish [34,51,57].
Flowers are borne at the leaf axils in clusters of 3 to 10 and are
primarily pollinated by long-tongued bees such as bumblebees [21,27,39].
Floral morphology has been examined in detail [44].  Fruit is a small,
broadly ovoid to spherical berry [39,40,49,51].  Berries of evergreen
huckleberry are shiny, purplish to black and generally lack bloom
[9,27,57].  Berries are borne in large clusters located close to the
branches [21,39] and contain numerous small seeds [34].

The variety saporosum is distinguished by fruit which is glaucous, pear-
shaped, and more flavorful than that of the variety ovatum [40].
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Distribution

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Evergreen huckleberry occurs along the Pacific Coast from British
Columbia to central California [8,21,58].  It is rare in the Cascades
but grows throughout the Coast Ranges and the central Sierra Nevada
[9,21].  Evergreen huckleberry occurs sporadically in the higher
mountains of southern California [9,28].  The variety saporosum is
restricted to portions of California [8].
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cc-publicdomain
bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Fire Ecology

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More info for the terms: fire regime, seed, shrub

The role of fire in moist coastal forests, of which evergreen
huckleberry is an integral understory component, is poorly known [69].
Many sites currently occupied by this shrub are believed to have burned
at relatively infrequent intervals during presettlement times [54].
Consequently, specific adaptations to fire may be poorly developed in
this species.  Evergreen huckleberry often sprouts after disturbances
such as fire, but sprouting may primarily represent an adaptation to
herbivory or mechanical damage.

Evergreen huckleberry can sprout from structures such as roots or
root crowns after aboveground vegetation is destroyed by fire [29,65].
Limited seedling establishment may occasionally occur as birds and
mammals disperse seed from offsite.  However, it is important to note
that seedling establishment is rare in most western huckleberries
(Vaccinium spp.) [37].

FIRE REGIMES :
Find fire regime information for the plant communities in which this
species may occur by entering the species name in the FEIS home page under
"Find FIRE REGIMES".
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cc-publicdomain
bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Fire Management Considerations

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More info for the terms: cover, fire suppression, forest, fruit, prescribed fire, scarification

Wildlife:  Evidence suggests that fire suppression may be having an
adverse impact on bear habitat in some areas [59,67].  Once productive
seral berry fields are now being invaded by conifers.  Since plants
beneath a forest canopy generally produce few berries, fruit production
has been steadily declining [39].  Logging treatments which include
severe soil scarification or slash burns may also reduce berry yields.
Even where timber harvest favors berry production, lack of cover in
early years can limit bear use.  However, wildfires often create diverse
habitat mosaics [67] which incorporate elements of hiding cover and
favor bear use.

Prescribed fire:  Flower buds tend to be more numerous on new shoots,
and periodic removal of old shoots can increase flower and fruit
production in many species of huckleberries (Vaccinium spp.) [37].
Prescribed fire has long been used to rejuvenate commercial low sweet
blueberry (V. angustifolium) fields and to increase fruit yield [37,39].
Spring burns, conducted when the soil is moist, are generally most
effective in promoting huckleberry fruit production [37,68].

Berry production:  Berry production in most western huckleberries is
generally delayed for at least 5 years after fire [37].  On some sites,
production may be reduced for 20 to 30 years or longer [37].
license
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Growth Form (according to Raunkiær Life-form classification)

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More info for the terms: geophyte, phanerophyte

   Phanerophyte
   Geophyte
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Habitat characteristics

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More info for the term: shrubs

Evergreen huckleberry grows on dry slopes, in canyons, and on barren
ridges near the Pacific Coast [40,41,51].  It occurs on well-drained
microsites on both stabilized and active dunes of the northern Oregon
Coast and on steep slopes which face the ocean [15,26].  It commonly
forms dense thickets on open ridges in the fog belt of California [57].
Evergreen huckleberry is tolerant of both sun and shade [61].

Soil:  Huckleberries (Vaccinium spp.) require acidic conditions and can
thrive where pH ranges from 4.3 to 5.2 [33].  These shrubs require
relatively small amounts of many essential elements and are capable of
growing on many relatively infertile soils [33].  Evergreen huckleberry
commonly occurs on nitrogen-poor soils [70].  It grows on well-drained
sandy and gravelly soils, and on silty loam [21,56], but generally
reaches greatest abundance on sandy soils [61].  Evergreen huckleberry
occurs on soils derived from a number of parent materials including
diorite, granodiorite, gabbro, and olivine-gabbro [50,66].  In the
Klamath Mountains, it typically occurs on soils derived from granitic or
metamorphic parent materials [50].

Climate:  Evergreen huckleberry grows across a wide range of moisture
regimes [66].  Many sites are droughty, or are characterized by summer
soil moisture stress [19,21].  In coastal British Columbia, evergreen
huckleberry occurs in mesothermal climatic zones characterized by wet,
cool summers [70].

Elevation:  Evergreen huckleberry occurs from near sea level to 3,000
feet (0-914 m) [51].  Generalized elevational ranges are as follows
[40,56]:

                 < 2,500 feet (762 m) in CA
                 from 0 to 300 feet (0-91 m) in western Oregon
license
cc-publicdomain
bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Habitat: Cover Types

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This species is known to occur in association with the following cover types (as classified by the Society of American Foresters):

   218  Lodgepole pine
   223  Sitka spruce
   224  Western hemlock
   225  Western hemlock - Sitka spruce
   227  Western redcedar - western hemlock
   229  Pacific Douglas-fir
   230  Douglas-fir - western hemlock
   231  Port Orford cedar
   232  Redwood
   234  Douglas-fir - tanoak - Pacific madrone
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Habitat: Ecosystem

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This species is known to occur in the following ecosystem types (as named by the U.S. Forest Service in their Forest and Range Ecosystem [FRES] Type classification):

   FRES20  Douglas-fir
   FRES23  Fir - spruce
   FRES24  Hemlock - Sitka spruce
   FRES26  Lodgepole pine
   FRES27  Redwood
license
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Habitat: Plant Associations

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This species is known to occur in association with the following plant community types (as classified by Küchler 1964):

More info for the term: forest

   K001  Spruce - cedar - hemlock forest
   K002  Cedar - hemlock - Douglas-fir forest
   K003  Silver fir - Douglas-fir forest
   K004  Fir - hemlock forest
   K006  Redwood forest
   K012  Douglas-fir forest
   K029  California mixed evergreen forest
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Immediate Effect of Fire

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Although aboveground foliage is commonly killed by fire, underground
portions of evergreen huckleberry often survive [32,34].  Most western
huckleberries (Vaccinium spp.) appear to be particularly vulnerable to
hot, duff-consuming fires [37].  However, older, decadent individuals
can sometimes be rejuvenated by light fires which do not damage
underground regenerative structures [37,39].  Seeds of most
huckleberries are susceptible to heat and are presumably killed by fire
[37].
license
cc-publicdomain
bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Importance to Livestock and Wildlife

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More info for the term: fruit

Browse:  Evergreen huckleberry is considered an important elk browse in
parts of the Coast Ranges of southwestern Oregon [3].  In many other
areas, it is described as poor forage for both elk and deer [21,52].
Evergreen huckleberry provides at least some browse for domestic sheep
and goats [12,49].  In certain locations, sheep use may be fairly heavy
in late summer, fall, and winter [12,49].  In parts of California,
domestic goats and deer may utilize 30 to 40 percent of the current
year's twigs and leaves [49].

Fruit:  Berries of evergreen huckleberry are eaten by a wide variety of
birds and mammals [21].  Thrushes, ptarmigans, towhees, ring-necked
pheasant, and spruce, ruffed, blue, and sharp-tailed grouse readily
consume the fruit of many huckleberries (Vaccinium spp.) [38,61].
Mammals such as the black bear, chipmunks, red fox, squirrels, gray fox,
and skunks, also eat the berries of many Vacciniums [38,61].  Grizzly
bears along the coast of British Columbia relish the fruits of many
species of huckleberry (Vaccinium spp.) [22].
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cc-publicdomain
bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Key Plant Community Associations

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More info for the terms: association, bog, codominant, fern, forest, natural, series, shrub, vine

Evergreen huckleberry grows as an understory dominant or codominant in
certain mature Sitka spruce (Picea sitchensis), Douglas-fir (Pseudotsuga
menziesii), western hemlock (Tsuga heterophylla), and western redcedar
(Thuja plicata) forests of the Northwest.  It also occurs in coastal
headland shrub communities codominated by species such as Pacific
rhododendron (Rhododendron macrophyllum), poison-oak (Toxicodendron
diversilobum), and salal (Gaultheria shallon).

Evergreen huckleberry also occurs as an understory dominant in humid
coastal Port-Orford cedar (Chamaecyparis lawsoniana), Douglas-fir, and
in redwood (Sequoia sempervirens) communities which develop on broad
alluvial flats [12,41,54,55,62,64].  It is a characteristic understory
component of western hemlock-Sitka spruce communities which occur along
the coast of northern Oregon [26].  Evergreen huckleberry grows in pygmy
forests of California beneath species such as lodgepole pine (P.
contorta), Monterey cypress (Cupressus pygmaea), bishop pine (P.
muricata), and Monterey pine (P. radiata) [63,65].  It commonly assumes
a dwarfed, nearly herblike growth form in these forests [63,65].
Evergreen huckleberry persists on cutover sites in many areas where it
forms brushfields [18,34].

This shrub is a prominent component of California and Oregon mixed
evergreen forests dominated by species such as tanoak (Lithocarpus
densiflora), canyon live oak (Quercus chrysolepis), sugar pine (Pinus
lambertiana), Douglas-fir, and Pacific madrone (Arbutus menziesii).  It
commonly grows as an understory dominant on north-facing slopes or along
rocky streamside terraces [50].

Understory associates:  Common understory associates include salal, red
huckleberry (Vaccinium parvifolium), western swordfern (Polystichum
munitum), Oregon oxalis (Oxalis oregana), Pacific rhododendron, hazel
(Corylus cornuta), thimbleberry (Rubus parviflorus), bog Labrador tea
(Ledum glandulosa), ovalleaf huckleberry (V. ovalifolium), deer fern
(Blechnum spicant), and annual grasses [26,50,54,55,62,66].
Thimbleberry, salal, salmonberry (R. spectabilis), vine maple (Acer
circinatum), and hazel are particularly common brushfield associates
[18].

Publications listing it as an indicator or codominant species in
community types or plant associations are presented below.

Preliminary plant associations of the Siskiyou Mountain Province [1]
The tanoak series of the Siskiyou Mountain Province [2]
Vegetation and habitats [14]
Natural vegetation of Oregon and Washington [15]
Ecoclass coding system for the Pacific Northwest plant associations [20]
Plant association and management guide: Siulaw National Forest [25]
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Life Form

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More info for the term: shrub

Shrub
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Management considerations

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More info for the terms: competition, cover, shrubs

Chemical control:  Huckleberries (Vaccinium spp.) exhibit variable
susceptibility to herbicides such as 2,4-D, 2,4,5-T, glyphosate,
karbutilate, and picloram [5].

Mechanical removal:  Large amounts of evergreen huckleberry foliage are
harvest annually for use in floral arrangements.  Gratkowski [18]
observed that shrubs produce new growth after pruning and are not
significantly reduced by these activities.  However, Kruckeberg [34]
reports that in some areas, evergreen huckleberry "has been exploited by
brush-pickers."

Timber harvest:  Evergreen huckleberry often persists after logging [3].
It is a particularly common constituent of brushfields which develop
after timber harvest in the Coast Ranges of Washington and Oregon and in
the foothills of the Washington Cascades [18,24].  Evergreen huckleberry
is frequently dwarfed to 3 to 5 feet (0.9-1.5 m) in height on cutover
lands because of excessive exposure to sun [34].

Conifer regeneration:  Evergreen huckleberry, western swordfern
(Polystichum munitum), beargrass (Xerophyllum tenax), and salal can
provide some initial competition for regenerating conifers after timber
harvest on certain sites [1].

Wildlife considerations:  Huckleberries are an extremely important food
source for grizzly bears [37].  Both black and grizzly bears typically
exploit areas with dense concentrations of berries.  The habitat value
of huckleberry shrubfields to grizzly bears can be increased by
permanent or at least seasonal road closures, by coordinating timber
harvest dates to have minimal impact on habitat use patterns, and by
considering the cumulative effects of habitat modification across a
broad area.  In general, site preparation should include minimizing soil
compaction, using broadcast burns rather than hot slash burns, or by
eliminating site preparation entirely wherever possible.  Grizzly use is
favored where hiding cover is retained by treating small, irregular
patches instead of large contiguous areas, and by leaving stringers of
timber within larger cuts [67].  In many areas, bear human conflicts are
most likely to occur during years of huckleberry crop failure [37,47]
when wide-ranging hungry bears encounter recreationalsts or wildland home
owners.  Damage to crops and beehives, and livestock losses also
typically increase during poor huckleberry years [47].
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Nutritional Value

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Browse:  Huckleberry (Vaccinium spp.) foliage is relatively high in
carotene, manganese, and energy content [10,23].

Fruit:  Huckleberry fruits are sweet and contain high concentrations of
both mono- and disaccharides [53].  Berries are rich in vitamin C and
energy content but low in fats [30,46].  Berries of evergreen
huckleberry contain 24.5 percent water, 2,658 kcal per kg, and 3.85 mg
of ascorbic acid per gram [30].  Specific nutrient content has been
documented as follows [42]:

                   nutrient content /g dry weight
        calories   protein  carbo-    ash    lipid    Ca    Fe    Mg    Zn
                   (g)      hydrate   (g)    (g)     (g)   (g)   (g)   (g)
                            (g)

fresh    3.60      0.08     0.89      0.01    0.01   1.56  0.02  0.59   0.01
dried    3.52      0.06     0.92      0.02    0.00   1.74  0.02  0.20   0.01
         
        ascorbic acid (mg)

fresh         3.46
dried         3.84
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Occurrence in North America

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     CA  OR  WA  BC
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Other uses and values

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More info for the terms: cover, fresh, fruit, shrub

Fruit of the evergreen huckleberry is sweet, delicious, and edible,
although somewhat mealy, and with a "fairly strong musky flavor"
[8,21,28,40].  Large amounts of this berry are picked annually [51,58].
Berries are relatively large but vary greatly in color and quality [28].
Fruit of the variety saporosum reportedly has a better flavor than fruit
of the variety ovatum [40,61].  Berries are made into wine, eaten fresh,
cooked, and canned or frozen by home users and commercial processors
[19,51].  Most commercially processed fruit is used as pie filling [51].
Berries are not considered as desirable for fresh fruit as those from
some other species of huckleberry (Vaccinium spp.) [39]

Fruit of the evergreen huckleberry was traditionally used by many native
peoples of the West Coast.  The Capella Indians reportedly traveled up
to 20 or 30 miles annually to harvest the fruit [57].  Berries were
eaten fresh, mashed, or dried and made into cakes [21].  Preserved
berries provided essential vitamin C during the winter months [30].

Foliage of the evergreen huckleberry is used by florists for fillers and
for background foliage in flower arrangements [39].  It is also
occasionally used to make Christmas decorations [49].  Large amounts of
evergreen huckleberry foliage are harvested annually and shipped
throughout the United States [51].  During the early 1970s, an estimated
$1 million worth of brush was harvested annually in western Washington
[39].

Evergreen huckleberry is an attractive evergreen shrub with striking
reddish bark and evergreen leaves which remain a deep green in winter
[51].  This shrub has many horticultural uses and can be planted as a
hedge plant or ground cover [28,49,51,57].  Evergreen huckleberry may
also have value for developing commercially important fruit-producing
cultivars [11,51].
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Palatability

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Palatability of evergreen huckleberry browse varies but is generally
rated as low to moderate [29].  Fruit is highly preferred by many birds
and mammals.  Palatability of evergreen huckleberry browse in California
has been rated as follows [49]:

 Cattle          poor-useless
 Sheep           fair-poor
 Horses          useless
 Domestic goats  fair-poor
 Deer            fair-poor
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Phenology

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More info for the term: fruit

Evergreen huckleberry generally flowers from March to July or August
[9,27].  Fruit ripens from July to September [9,61].  Seasonal
development by geographic area is as follows [9,21,40,49,56]:

         location               flowering       fruiting
        
         CA                     March-May       July-October
         Mason Co., WA          May-June        ----
         Pacific Northwest      April-August    ----
         w OR                   April-August    ----
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Plant Response to Fire

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More info for the terms: fern, forest, seed, vine

Vegetative response:  Evergreen huckleberry commonly sprouts after
aboveground foliage is damaged or destroyed by fire [29,32,34].  Most
species of huckleberry (Vaccinium spp.) regenerate from basal sprouts or
from underground structures such as roots or rhizomes [48].  Westman and
Whittaker [29] report that evergreen huckleberry has a "massive
root crown" rather than rhizomes.  However, Hooven [29] notes that
postfire sprouting from roots can also occur. 

Recovery of evergreen huckleberry can be relatively rapid wherever
sprouting occurs.  Evergreen huckleberry, Pacific dogwood (Cornus
nuttallii), vine maple, trailing blackberry (Rubus ursinus), Oregon
grape (Berberis spp.), and bracken fern (Pteridium aquilinum) dominated
within 1 year after a large August fire in a Douglas-fir forest of
western Oregon [29].

Seed:  Seed banking does not appear to represent an important
regenerative strategy in western huckleberries.  Some seed may be
brought onto the site by bird and mammal dispersers.  Reestablishment by
seed, if it occurs at all, is likely to be slow.
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Post-fire Regeneration

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More info for the terms: rhizome, root crown, shrub

   Tall shrub, adventitious-bud root crown
   Rhizomatous shrub, rhizome in soil
   Initial-offsite colonizer (off-site, initial community)
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Regeneration Processes

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More info for the terms: fruit, rhizome, root crown, seed, stratification

Evergreen huckleberry is capable of reproducing through seed or by
vegetative means.  However, vegetative regeneration appears to be of
primary importance in most western huckleberries (Vaccinium spp.) [37].

Seed:  Evergreen huckleberry, a cluster-fruited Vaccinium, can produce
10 to 20 times more fruit than single-fruited huckleberries of similar
size [39].  Fruit is typically produced in great abundance whenever
conditions are favorable [51,57].  Seeds of most Vaccinium spp. are not
dormant and require no pretreatment for germination [9].  Seedlings
first emerge in approximately 1 month and continue to emerge for long
periods of time in the absence of cold stratification [9].  However,
seedlings of most western huckleberries are rarely observed in the field
[37].  Seeds of evergreen huckleberry usually exhibit fairly good
germination under laboratory conditions, but early growth is generally
very slow [34].  Berries are widely dispersed by birds and mammals [21].

Vegetative regeneration:  Sprouting has been well-documented in
evergreen huckleberry [32,34], but specific details are lacking.  Most
species of Vaccinium regenerate from basal sprouts or underground
regenerative structures such as roots or rhizomes [48].  Root [29] or
rhizome sprouting is probable in the evergreen huckleberry.  However,
Westman and Whittaker [65] report that unlike most other western
huckleberries, evergreen huckleberry lacks rhizomes.  It reportedly
possesses a well-developed root crown [65] and sprouts from this
structure after aboveground vegetation is damaged.
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Regional Distribution in the Western United States

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More info on this topic.

This species can be found in the following regions of the western United States (according to the Bureau of Land Management classification of Physiographic Regions of the western United States):

    1  Northern Pacific Border
    3  Southern Pacific Border
    4  Sierra Mountains
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Successional Status

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More info on this topic.

More info for the terms: climax, cover, habitat type

Evergreen huckleberry is tolerant of shade and persists in many climax
stands but also grows in early seral communities.  In parts of Oregon
and Washington, it occurs in climax forests dominated by western hemlock
and Douglas-fir [15,32].  Evergreen huckleberry is also a common
constituent of both dry and moist old growth redwood communities of
southwestern Oregon [15].

In coastal forests of southwestern Oregon, it is most abundant in
disturbed stands [3].  Cover of evergreen huckleberry by successional
stage, has been documented as follows in a rhododendron (Rhododendron
spp.)-Oregon grape (Berberis spp.) habitat type [3]:

                     mean percent cover
                             (years)
                1     2     3     4     5     6     7     8-9    10-15

undisturbed    15     2     6     11   13     1     5      9       1
disturbed       3     +     _     +    +      1     -      +       +
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Synonyms

provided by Fire Effects Information System Plants
Metagonia ovata
Vaccinium lanceolatum
Vitis-idaea ovata
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Taxonomy

provided by Fire Effects Information System Plants
The currently accepted scientific name of evergreen huckleberry is
Vaccinium ovatum Pursh [31,60]. The following varieties have been
recognized on the basis of vegetative and floral morphology [31]:

V. ovatum var. ovatum
V. ovatum var. saporosum Jepson
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bibliographic citation
Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Value for rehabilitation of disturbed sites

provided by Fire Effects Information System Plants
More info for the terms: fruit, hardwood, seed

Evergreen huckleberry can be propagated through hardwood cuttings or by
seed [34,51].  Cleaned seed averages approximately 3,000,000 per pound
(6,608/g) or 10,784 seeds per pound (24/g) of fruit [9].  Huckleberry
(Vaccinium spp.) seedlings grown in the greenhouse can be transplanted
onto favorable sites 6 to 7 weeks after emergence [9].  Wild seedlings
rarely survive when transplanted [34].  Seed collection and storage
techniques have been described [9].

Evergreen huckleberry was used for revegetating riparian areas in the
Santa Clara Valley of California [17].
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Tirmenstein, D. 1990. Vaccinium ovatum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/

Vaccinium ovatum ( German )

provided by wikipedia DE

Vaccinium ovatum ist eine Pflanzenart aus der Gattung der Heidelbeeren (Vaccinium) innerhalb der Familie der Heidekrautgewächse (Ericaceae). Sie ist in Nordamerika beheimatet und dort unter den Trivialnamen Evergreen Huckleberry, Winter Huckleberry und California Huckleberry bekannt.

Verbreitung und Ökologie

Vaccinium ovatum ist ein kleiner bis mittelgroßer immergrüner Strauch, dessen Heimat die Westküste der Vereinigten Staaten und der Küstenregion von British Columbia ist.[1][2][3] Typische Begleitarten in den besiedelten Lebensräumen sind z. B. der Westamerikanische Schwertfarn (Polystichum munitum), der Küsten-Waldfarn (Dryopteris arguta), die Kriechende Schneebeere (Symphoricarpos mollis) und die Weiße Zimt-Himbeere (Rubus parviflorus).[4] Oft wird das Aufwachsen auf Totholz (nurse logs) beobachtet, eine Form der Probiose; häufig ist auch die Vergemeinschaftung mit Vaccinium parvifolium.

Merkmale

Vaccinium ovatum ist eine echte Huckleberry, die sowohl in schattigen als auch sonnigen Bereichen gut wächst und auf sauren Böden gedeiht. Anspruchslos gegenüber Licht besiedelt sie eine große Spannbreite von Wald-Habitaten; sie sprießt oft auf alten Stümpfen des Küstenmammutbaums (Sequoia sempervirens) oder aus dichten Dorngebüschen. Die glänzenden, alternierend angeordneten, eiförmigen Laubblätter sind 2–3 cm lang und etwa einen Zentimeter breit mit fein gesägten Rändern.[5] Im Lauf des Sommers produziert die Pflanze runde, essbare Beeren von bis zu einem Zentimeter Durchmesser.[6]

Nutzung

Nahrungsmittel

Traditionell wurden Huckleberrys von vielen Indianerstämmen der nordamerikanischen Westküsten gesammelt.[7]

Anbau

Vaccinium ovatum wird als Zierpflanze für die Nutzung durch spezialisierte Großmärkte, Einzelhändler und Baumschulen botanischer Gärten angebaut. Sie wird erfolgreich im naturnahen und nachhaltigen Landschaftsbau (namentlich in Kalifornien), in Landschaftsgärten und in Renaturierungsprojekten eingesetzt, sofern die Lebensraumbedingungen passend sind.[8][9]

Galerie

Einzelnachweise

  1. Biota of North America Program 2014 county distribution map
  2. Calflora taxon report, University of California, Vaccinium ovatum Pursh, California huckleberry, Huckleberry, evergreen huckleberry
  3. Turner Photographics, Vaccinium ovatum - Wildflowers of the Pacific Northwest photo, description, partial distribution map
  4. C. Michael Hogan. 2008. Coastal Woodfern (Dryopteris arguta), GlobalTwitcher, ed. N. Stromberg (Memento des Originals vom 11. Juli 2011 im Internet Archive)  src= Info: Der Archivlink wurde automatisch eingesetzt und noch nicht geprüft. Bitte prüfe Original- und Archivlink gemäß Anleitung und entferne dann diesen Hinweis.@1@2Vorlage:Webachiv/IABot/www.globaltwitcher.com
  5. Jepson Manual treatment, University of California — Vaccinium ovatum
  6. Flora of North America, Vaccinium ovatum Pursh, 1813. California huckleberry
  7. Steven Foster, Christopher Hobbs: A Field Guide to Western Medicinal Plants and Herbs. Houghton Mifflin Harcourt, April 2002, ISBN 039583807X.
  8. Jepson Horticultural Database for Vaccinium ovatum. 11.10.2010
  9. CNPLX: Vaccinium ovatum. accessed 11.10.2010
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wikipedia DE

Vaccinium ovatum: Brief Summary ( German )

provided by wikipedia DE

Vaccinium ovatum ist eine Pflanzenart aus der Gattung der Heidelbeeren (Vaccinium) innerhalb der Familie der Heidekrautgewächse (Ericaceae). Sie ist in Nordamerika beheimatet und dort unter den Trivialnamen Evergreen Huckleberry, Winter Huckleberry und California Huckleberry bekannt.

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Vaccinium ovatum

provided by wikipedia EN

Vaccinium ovatum is a North American species of flowering shrub known by the common names evergreen huckleberry, winter huckleberry, cynamoka berry and California huckleberry.

Distribution and ecology

Vaccinium ovatum is a small to medium-sized evergreen shrub native to the Western Pacific Coast of the United States and coastal British Columbia.[1][2][3] Typical flora associates are such plants as the western sword fern (Polystichum munitum), coastal woodfern (Dryopteris arguta), California snowberry (Symphoricarpos mollis), common snowberry (Symphoricarpos albus), and thimbleberry (Rubus parviflorus).[4] It is often found sprouting from nurse logs and growing in conjunction with red huckleberry (Vaccinium parvifolium).

Description

Vaccinium ovatum is a true huckleberry plant, growing well in shade or sun and thriving in acidic soils. Not needing much sun, the plant has a wide variety of forest homes; it is often seen sprouting out of old coast redwood stumps or dense brambles of other forest growths. The shiny, alternately arranged, egg-shaped leaves are 2 to 3 centimeters (0.8–1.2 inches) long and about a centimeter wide (0.4 inches) with finely serrated edges.[5] During the summer the plant produces round, edible black berries up to a centimeter (0.4 inches) in diameter,[6] which can remain on the branches until mid-winter.[7] The berries are eaten by birds and mammals throughout autumn.[8]

Uses

Culinary

Traditionally, huckleberries were sought after and collected by many Native American tribes along the Pacific coast in the region,[9] including the Karok.[10] The berries can be eaten raw and are said to taste similar to but sweeter and more intense than blueberries, and are a favorite ingredient in jams and jellies.[8] Meriwether Lewis recorded that he observed indigenous people eating the berries raw, dried, and in bread, which preserved the fruit for a season.[10]

Cultivation

Vaccinium ovatum is grown as an ornamental plant for horticultural use by specialty wholesale, retail, and botanic garden native plant nurseries. The plant is successful in natural landscape and native plant palette style, and habitat gardens and public sustainable landscape and restoration projects that are similar to its habitat conditions.[11][12]

See also

Gallery

Wikimedia Commons has media related to Vaccinium ovatum.

References

  1. ^ Biota of North America Program 2014 county distribution map
  2. ^ Calflora taxon report, University of California, Vaccinium ovatum Pursh, California huckleberry, Huckleberry, evergreen huckleberry
  3. ^ Turner Photographics, Vaccinium ovatum - Wildflowers of the Pacific Northwest photo, description, partial distribution map
  4. ^ C. Michael Hogan. 2008. Coastal Woodfern (Dryopteris arguta), GlobalTwitcher, ed. N. Stromberg Archived 2011-07-11 at the Wayback Machine
  5. ^ Jepson Manual treatment, University of California — Vaccinium ovatum
  6. ^ Flora of North America, Vaccinium ovatum Pursh, 1813. California huckleberry
  7. ^ Benoliel, Doug (2011). Northwest Foraging: The Classic Guide to Edible Plants of the Pacific Northwest (Rev. and updated ed.). Seattle, WA: Skipstone. p. 47. ISBN 978-1-59485-366-1. OCLC 668195076.
  8. ^ a b Whitney, Stephen (1985). Western Forests (The Audubon Society Nature Guides). New York: Knopf. p. 449. ISBN 0-394-73127-1.
  9. ^ Foster, Steven; Hobbs, Christopher (April 2002). A Field Guide to Western Medicinal Plants and Herbs. Houghton Mifflin Harcourt. ISBN 039583807X.
  10. ^ a b Nyerges, Christopher (2017). Foraging Washington: Finding, Identifying, and Preparing Edible Wild Foods. Guilford, CT: Falcon Guides. ISBN 978-1-4930-2534-3. OCLC 965922681.
  11. ^ Jepson Horticultural Database for Vaccinium ovatum . 11.10.2010
  12. ^ CNPLX: Vaccinium ovatum . accessed 11.10.2010
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Vaccinium ovatum: Brief Summary

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Vaccinium ovatum is a North American species of flowering shrub known by the common names evergreen huckleberry, winter huckleberry, cynamoka berry and California huckleberry.

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Vaccinium ovatum ( Vietnamese )

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 src=
Quả chín của V. ovatum
 src=
Hoa và lá của V. ovatum

Vaccinium ovatum, còn được biết đến qua nhiều cái tên như việt quất thường xanh, việt quất mùa đông, việt quất California, là một loài thực vật có hoa thuộc chi Việt quất. V. ovatum được mô tả lần đầu tiên bởi Frederick Traugott Pursh vào năm 1813.

Phạm vi

V. ovatum được cho là loài bản địa có nguồn gốc từ bang California, Hoa Kỳ. Tuy nhiên, nó lại được tìm thấy ở các khu vực dọc bờ tây Bắc Mỹ, bắt đầu từ bang British Columbia, Canada tới tận California, Hoa Kỳ[1][2]. V. ovatum thường mọc trong các khu rừng lá kim và rừng thường xanh hỗn hợp, trên các thân cây gỗ mục, cùng với loài việt quất đỏ (Vaccinium parvifolium), tập trung nhiều ở phía bắc California[3].

V. ovatum thường mọc chung với các loại dương xỉ như Polystichum munitum, Dryopteris arguta, các cây họ Kim ngân như Symphoricarpos mollis, Symphoricarpos albus, và mâm xôi Rubus parviflorus[4].

Mô tả

V. ovatum là một loại cây bụi thường xanh cỡ nhỏ, cao đến 2,5 m (có khi lên đến 4 m trong bóng râm) nhưng với tốc độ chậm. Loài này ưa đất chua, phát triển tốt khi tiếp xúc với ánh mặt trời hoặc bóng râm. V. ovatum rất nhạy cảm với giá rét. Thân và cành có màu đỏ tía. Lá hình trứng, xếp xen kẽ, màu xanh đậm và bóng mượt, dài khoảng 2 - 3 cm và rộng khoảng 1 cm, mép lá có răng cưa mịn, ra lá vào mùa đông (tháng 12 đến tháng 1 năm sau). Hoa mọc thành cụm, có màu trắng phớt hồng, hình chuông úp, nở từ tháng 4 đến tháng 5. Quả mọng chín vào tháng 10 đến 12, đường kính khoảng 1 cm, lúc đầu có màu đỏ, chuyển sang xanh đen khi chín, ăn được, vị ngọt nhưng không có gì đặc biệt cho lắm[5][6][3][7].

Sử dụng

Quả mọng có thể ăn sống hoặc phơi khô dự trữ, thường được cho vào các món bánh nướng hay làm mứt. Lá và quả khô được dùng để nấu trà thảo mộc. V. ovatum cũng được trồng làm cây cảnh, góp phần duy trì chủng loài của nó[7][8].

Chú thích

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Vaccinium ovatum: Brief Summary ( Vietnamese )

provided by wikipedia VI
 src= Quả chín của V. ovatum  src= Hoa và lá của V. ovatum

Vaccinium ovatum, còn được biết đến qua nhiều cái tên như việt quất thường xanh, việt quất mùa đông, việt quất California, là một loài thực vật có hoa thuộc chi Việt quất. V. ovatum được mô tả lần đầu tiên bởi Frederick Traugott Pursh vào năm 1813.

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Вакциниум яйцевидный ( Russian )

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Царство: Растения
Подцарство: Зелёные растения
Отдел: Цветковые
Надпорядок: Asteranae
Семейство: Вересковые
Подсемейство: Вакциниевые
Вид: Вакциниум яйцевидный
Международное научное название

Vaccinium ovatum Pursh, 1813

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ITIS 23608NCBI 84019EOL 583636GRIN t:41046IPNI 859071-1TPL tro-12300676

Вакци́ниум яйцеви́дный (лат. Vaccínium ovátum) — вид растений из Северной Америки, входящий в род Вакциниум (Vaccinium) семейства Вересковые (Ericaceae).

Ботаническое описание

 src=
Чёрные ягоды вакциниума обладают приятным сладким вкусом

Прямостоячий вечнозелёный кустарник, достигающий в благоприятных условиях высоты в 1—3 м. Веточки с многочисленными листьями, покрытые волосистым опушением. Листья очерёдные, кожистые, толстые, яйцевидные до ланцетовидных, с заострённым концом, с острозубчатым краем, до 3 см длиной (черешки до 3 мм), с верхней стороны блестящие, тёмно-зелёные, с нижней — бледно-зелёные.

Цветки собраны в пазушных кистевых соцветиях по 1—5, с колокольчатым белым или бледно-розовым венчиком. Тычинки с плоскими волосистыми нитями.

Плод — чёрная или тёмно-фиолетовая широкояйцевидная ягода около 0,6 см длиной.

Диплоидный набор хромосом — 2n = 24.

Ареал

Охранный статус NatureServe
Status TNC G4 ru.svg

Предположительно, находящиеся в надёжном состоянии
Apparently Secure: Vaccinium ovatum

Вакциниум яйцевидный распространён вдоль западного побережья Северной Америки. Южная граница ареала — округ Санта-Барбара в Южной Калифорнии. На север вакциниум заходит в Британскую Колумбию.

Произрастает на земле на опушках равнинных хвойных лесов, также иногда в качестве эпифита на стволах секвойи. Часто растёт вместе с салалом, другим вечнозелёным кустарником из вересковых, и восковницей калифорнийской.

Значение

Плоды вакциниума сочные, обладают приятным сладким вкусом, используются в качестве начинки для пирогов.

Ветви вакциниума используются в рождественских украшениях, так как тёмно-зелёные листья длительное время сохраняют цвет.

Таксономия

Синонимы

  • Metagonia ovata (Pursh) Nutt., 1843
  • Vaccinium lanceolatum Dunal, 1839
  • Vaccinium ovatum var. saporosum Jeps., 1925

Примечания

  1. Об условности указания класса двудольных в качестве вышестоящего таксона для описываемой в данной статье группы растений см. раздел «Системы APG» статьи «Двудольные».
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Вакциниум яйцевидный: Brief Summary ( Russian )

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Вакци́ниум яйцеви́дный (лат. Vaccínium ovátum) — вид растений из Северной Америки, входящий в род Вакциниум (Vaccinium) семейства Вересковые (Ericaceae).

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