Comments
(
İngilizce
)
eFloras tarafından sağlandı
Roseberry juniper is unusual in that it sprouts from the stump after burning or cutting. Hybridization with Juniperus pinchotii occurs in Big Bend National Park, Texas (R. P. Adams and J. R. Kistler 1991), and possibly near Saltillo, Mexico. Reports of hybridization with J . ashei have been refuted (R. P. Adams 1975).
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Description
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İngilizce
)
eFloras tarafından sağlandı
Shrubs or trees dioecious, to 8 m, single-stemmed to 1 m or branched at base; crown flattened-globose to irregular to round. Bark gray to brown, exfoliating in long ragged strips, that of small branchlets (5--10 mm diam.) smooth, that of larger branchlets exfoliating in strips, or occasionally in flakes. Branches spreading to ascending; branchlets erect, 3--4-sided in cross section, ca. 2/3 as wide as length of scalelike leaves. Leaves green to light green, abaxial glands elliptic to ovate, at least 1/4 of glands (on whip leaves) with an evident white crystalline exudate, margins denticulate (at 20´); whip leaves 4--6 mm, glaucous adaxially; scalelike leaves 1--3 mm, not overlapping or if so, by less than 1/4 their length, keeled, apex acute, spreading. Seed cones maturing in 1 year, of 1 size, with straight peduncles, globose to ovoid, 6--7 mm, rose to pinkish but yellow-orange, orange, or dark red beneath glaucous coating, fleshy and somewhat sweet, with 1(--2) seeds. Seeds 4--5 mm.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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İngilizce
)
eFloras tarafından sağlandı
Ariz., N.Mex., Tex.; Mexico.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
İngilizce
)
eFloras tarafından sağlandı
Bouteloua grasslands and adjacent rocky slopes; 980--1600(--2200)m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
İngilizce
)
eFloras tarafından sağlandı
Juniperus erythrocarpa Cory var. coahuilensis Martinez, Anales Inst. Biol. Univ. Nac. México 17: 115--116. 1946
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Common Names
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
redberry juniper
rose-fruited juniper
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the terms:
seed,
shrub,
treeRedberry juniper is a native, evergreen, small tree or large shrub.
Mature height usually ranges from 12 to 15 feet (3.6-4.5 m), with
spreading and ascending branches forming an open, irregular crown. The
ovulate cones contain one seed [
15]. The bark is shreddy, but but is
formed close to the trunk. Redberry juniper tends to have a central
erect stem with lower branches originating near the ground level [
5].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
Redberry juniper occurs in disjunct populations from western Texas
(Trans-Pecos), southwestern New Mexico, and southern Arizona south to
San Luis Potosi, Mexico [
10,
14].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the terms:
fire regime,
shrubsRedberry juniper occurs on juniper savannas, which are kept open by
fire. Fires in these habitats tend to be surface fires carried by
grasses, which burn so rapidly that heat levels lethal to large redberry
juniper are rarely generated [
7]. Fire-free intervals of 10 years or
more are usually sufficient to allow juniper (Juniperus spp.) saplings
to reach fire-resistant size: about 3 to 6 feet (1-2 m) [
22]. Redberry
juniper occurs in evergreen oak woodlands [
11] which experience rapidly
burning grass fires approximately every 10 to 20 years [
22].
In some areas, junipers (probably including redberry juniper) are
encroaching on grasslands that were historically kept clear of trees and
shrubs by very frequent fires. Climatic changes and intensive livestock
grazing have also been implicated in this encroachment [
7].
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".
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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)
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info on this topic. More info for the term:
phanerophyte Phanerophyte
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
In Trans-Pecos Texas junipers are most common on rocky or poor soils
[
14]. Redberry juniper occurs most often on dry, well-drained soils in
full sun [
19]. It occurs at elevations of 4,000 feet (1,200 m) to 6,500
feet (2,000 m) through its range [
1,
16].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info on this topic. This species is known to occur in association with the following cover types (as classified by the Society of American Foresters):
66 Ashe - redberry (Pinchot) juniper
239 Pinyon - juniper
241 Western live oak
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info on this topic. 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):
More info for the term:
shrub FRES33 Southwestern shrubsteppe
FRES34 Chaparral - mountain shrub
FRES35 Pinyon - juniper
FRES40 Desert grasslands
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info on this topic. This species is known to occur in association with the following plant community types (as classified by Küchler 1964):
More info for the terms:
shrub,
woodland K023 Juniper - pinyon woodland
K031 Oak - juniper woodlands
K058 Grama - tobosa shrubsteppe
K059 Trans-Pecos shrub savanna
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
Specific information in the immediate effect of fire on redberry juniper
is lacking in the literature.
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
The fleshy, berry-like cones of redberry juniper are eaten by at least
four species of songbirds, Gambel's quail, coyotes, foxes, raccoons,
rock squirrels, Hopi chipmunks, and probably other birds and mammals [
14,
21].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the terms:
codominant,
shrubIn the Southwest junipers (Juniperus spp.) are associated with oaks
(Quercus spp.) and true pinyon (Pinus edulis). Junipers increase in
dominance over oaks and pinyons on dry sites [
14]. Redberry juniper is
common in alligator juniper (J. deppeana)-pinyon woodlands and savannas,
and in areas where its range overlaps with Utah juniper (J.
osteosperma), oneseed juniper (J. monosperma), and Rocky Mountain
juniper (J. scopulorum) [
8]. It occurs in evergreen oak woodlands with
Emory oak (Q. emoryi) and Mexican blue oak (Q. oblongifolia) [
11].
Redberry juniper is also found in Arizona chaparral woodlands with shrub
live oak (Q. turbinella) and Arizona rosewood (Vauquelinia californica)
[
20]. It occurs as scattered individuals in grama (Bouteloua spp.)
grasslands, along with scattered velvet mesquite (Prosopis velutina),
Mexican blue oak, and alligator juniper [
14].
A publication listing redberry juniper as a codominant species is as
follows:
Classification of pinyon-juniper (p-j) sites on National Forests in the
Southwest [
12]
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the terms:
shrub,
treeTree, Shrub
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
AZ NM TX MEXICO
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
Juniper bark was used by Native Americans to make mats, saddles, and
other items. They also used the seeds for beads or ground the fleshy
cones for flour [
14,
21].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info on this topic. Redberry juniper is pollinated in late fall, and the ovulate cones
mature in late spring [
5]. Most juniper seeds germinate in spring [
7].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the terms:
root crown,
secondary colonizer,
tree Tree without adventitious-bud root crown
Secondary colonizer - off-site seed
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the terms:
seed,
top-killRedberry juniper reproduces by seed. Further information specific to
reproduction in redberry juniper is not available. Pinchot juniper is
one of the few juniper species known to sprout after top-kill, and it is
closely related to redberry juniper. In most junipers germination may
be delayed up to 2 years through embryo dormancy, seedcoat
impermeability, or chemical inhibitors. Juniper seedling establishment
is enhanced by light shade, which helps maintain adequate moisture [
7].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
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):
7 Lower Basin and Range
13 Rocky Mountain Piedmont
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info on this topic. Facultative Seral Species
Redberry juniper is intolerant of shade [
7]. Junipers often invade
grasslands and are gradually replaced by pinyons [
7].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
Juniperus erythrocarpa var. coahuilensis Martinez [
23]
Juniperus texensis Van Melle [
25]
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the term:
hybrid swarmThe currently accepted scientific name for redberry juniper is Juniperus coahuilensis
(Martinez) Gaussen [
10,
26,
27]. Confusion about the correct name for this entity arose
over its morphological resemblance to oneseed juniper (J. monosperma) and over its red
cones, which resemble those of Pinchot juniper (J. pinchottii). Redberry juniper
intergrades with Pinchot juniper in the Trans-Pecos region of Texas, where their
ranges overlap. There is a probable hybrid swarm in the Basin of the Chisos Mountains,
Texas [
1,
14]. Zanoni and Adams [
24] determined that redberry juniper and Pinchot
juniper are the most closely related junipers based on similarity of leaf oil
terpenoids and other characters.
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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/
Wood Products Value
(
İngilizce
)
Fire Effects Information System Plants tarafından sağlandı
More info for the term:
fuelRedberry juniper wood is used locally for posts and fuel [
21].
- bibliyografik atıf
- Sullivan, Janet. 1993. Juniperus coahuilensis. 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/
Physical Description
(
İngilizce
)
USDA PLANTS text tarafından sağlandı
Tree, Shrub, Evergreen, Dioecious, Habit erect, Trees without or rarely having knees, Tree with bark shaggy or peeling, Young shoots in flat sprays, Young shoots 3-dimensional, Buds not resinous, Leaves scale-like, Whip leaves present, Leaves of two kinds, Leaves opposite, Leaves whorled, Non-needle-like leaf margins entire, Non-needle-like leaf margins dentate or serrate, Leaf apex acute, Leaves < 5 cm long, Leaves < 10 cm long, Leaves not blue-green, Scale leaves without raised glands, Scale leaf glands not ruptured, Scales leaves not or barely overlapping, Whip leaf margins denticulate under magnification, Twigs glabrous, Twigs not viscid, Twigs without peg-like projections or large fascicles after needles fall, Berry-like cones light blue, Berry-like cones blue-black, Berry-like cones pink, Bracts of seed cone included, Seeds tan, Seeds brown, Seeds wingless.
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- Stephen C. Meyers
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- Aaron Liston
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- Steffi Ickert-Bond
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- Damon Little
Juniperus coahuilensis
(
Azerice
)
wikipedia AZ tarafından sağlandı
Juniperus coahuilensis (lat. Juniperus coahuilensis) — sərvkimilər fəsiləsinin ardıc cinsinə aid bitki növü.
Mənbə
İynəyarpaqlılar ilə əlaqədar bu məqalə qaralama halındadır. Məqaləni redaktə edərək Vikipediyanı zənginləşdirin. Etdiyiniz redaktələri mənbə və istinadlarla əsaslandırmağı unutmayın.
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Juniperus coahuilensis: Brief Summary
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Azerice
)
wikipedia AZ tarafından sağlandı
Juniperus coahuilensis (lat. Juniperus coahuilensis) — sərvkimilər fəsiləsinin ardıc cinsinə aid bitki növü.
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Rotbeeren-Wacholder
(
Almanca
)
wikipedia DE tarafından sağlandı
Der Rotbeeren-Wacholder (Juniperus coahuilensis) ist eine Pflanzenart aus der Familie der Zypressengewächse (Cupressaceae). Er ist im Süden der USA sowie in Nord-Mexiko heimisch.
Beschreibung
Der Rotbeeren-Wacholder wächst als immergrüner Strauch oder Baum, der Wuchshöhen von bis zu 8 Meter und Brusthöhendurchmesser von bis zu 1 Meter erreichen kann. Als Baum ist er einstämmig, während sich die Strauchform bereits am Boden verzweigt. Die Äste gehen gerade oder aufsteigend vom Stamm ab und bilden eine flach-kugelige bis unregelmäßige Krone. Die graue bis braune Borke blättert in langen Streifen ab. Die Rinde der dünneren Zweige ist glatt, während die von dickeren Zweigen in Streifen oder gelegentlich auch in Flocken abblättert.[1]
Die Art bildet zwei verschiedene Arten von Nadeln aus. Die grünem bis hellgrünen, schuppenartigen Blätter erreichen eine Länge von 1 bis 3 Millimeter. Sie sind gekielt und ihre Spitze ist spitz zulaufend. Sie überlappen sich nie oder nur bis zu einem Viertel ihrer Gesamtlänge. Die begeißelten Nadeln sind an der Nadeloberseite blaugrün gefärbt und werden 4 bis 6 Millimeter groß. Alle Nadeln haben gezähnte Blattränder und an ihrer Unterseite findet man elliptische oder eiförmige Drüsen von denen einige ein auffällig weiße, kristalline Flüssigkeit absondern.[1]
Der Rotbeeren-Wacholder ist zweihäusig-getrenntgeschlechtlich (diözisch) und die Zapfen reifen nach einem Jahr. Die beerenförmigen Zapfen stehen an geraden Stielen und sind bei einer Größe von 6 bis 7 Millimeter kugelig bis eiförmig geformt. Zur Reife hin sind sie rosa, gelborange, orange oder dunkelrot gefärbt und werden von einer blaugrünlichen Schicht bedeckt. Jeder der fleischigen und süß schmeckenden Zapfen trägt ein bis zwei Samenkörner. Die Samen erreichen eine Länge von 4 bis 5 Millimeter.[1]
Verbreitung und Standort
Das natürliche Verbreitungsgebiet des Rotbeeren-Wacholder liegt im Süden der USA sowie im Norden Mexikos. Es umfasst in den USA die Bundesstaaten Arizona, New Mexico und das südwestliche Texas. In Mexiko findet man die Art nur im Bundesstaat Coahuila.[1]
Der Rotbeeren-Wacholder gedeiht in Höhenlagen von 980 bis 2200 Metern. Man findet die Art vor allem in Grassteppen sowie auf daran angrenzenden, felsigen Berghängen. Vor allem in Arizona kommt es zur Bildung von Mischbeständen mit dem Utah-Wacholder (Juniperus osteosperma). Als weitere vergesellschaftete Arten können Opuntien (Opuntia) sowie Palmlilien (Yucca) auftreten.[1]
Nutzung
Früher wurde das Holz zur Herstellung von Zaunpfählen genutzt.[2]
Systematik
Die Erstbeschreibung als Juniperus erythrocarpa var. coahuilensis erfolgte 1946 durch Maximino Martínez in Anales del Institutó de Biología de la Universidad Nacional Autonoma de México, Série Biologia, Band 17, Nummer 1, Seite 115–116. Henri Marcel Gaussen beschrieb die Varietät im Jahr 1968 in Travaux du Laboratorie Forestier de Toulouse, Nummer 1(2/10), Seite 154 als eigenständige Art Juniperus coahuilensis.[3]
Die Art wird in zwei Varietäten unterteilt:[3]
-
Juniperus coahuilensis var. arizonica R.P.Adams kommt in Arizona, New Mexico, Texas und im mexikanischen Bundesstaat Sonora vor.[1][4] Eine von Robert Phillip Adams im Jahr 2006 veröffentlichte Arbeit stützt mithilfe von DNA-Analysen die Annahme, dass die Varietät als eigenständige Art Juniperus arizonica R.P.Adams angesehen werden sollte.[5]
-
Juniperus coahuilensis var. coahuilensis ist die Nominatform und kommt vom südwestlichen Texas bis ins nordöstliche Mexiko vor.[1][4]
Im Big-Bend-Nationalpark sowie wahrscheinlich in der Nähe von Saltillo kommt es zur Hybridbildung mit Juniperus pinchotii.[1]
Gefährdung und Schutz
Der Rotbeeren-Wacholder wird in der Roten Liste der IUCN als „nicht gefährdet“ geführt. Die Varietät arizonica wird ebenfalls als „nicht gefährdet“ gelistet. Beide Varietäten kommen häufig vor und die Bestände scheinen sich zu vergrößern.[2][6]
Quellen
-
Christopher J. Earle: Juniperus coahuilensis. In: The Gymnosperm Database. www.conifers.org, 12. Dezember 2010, abgerufen am 15. April 2012 (englisch).
Einzelnachweise
-
↑ a b c d e f g h Christopher J. Earle: Juniperus coahuilensis. In: The Gymnosperm Database. www.conifers.org, 12. Dezember 2010, abgerufen am 15. April 2012 (englisch).
-
↑ a b Juniperus coahuilensis in der Roten Liste gefährdeter Arten der IUCN 2011. Eingestellt von: Bachman, S., Farjon, A., Gardner, M., Thomas, P., Luscombe, D. & Reynolds, C., 2007. Abgerufen am 15. April 2012.
-
↑ a b Juniperus coahuilensis bei Tropicos.org. Missouri Botanical Garden, St. Louis Abgerufen am 15. April 2012.
-
↑ a b Rafaël Govaerts (Hrsg.): Juniperus. In: World Checklist of Selected Plant Families (WCSP) – The Board of Trustees of the Royal Botanic Gardens, Kew, abgerufen am 27. März 2019.
-
↑ Juniperus arizonica. In: Phytologia. Volume 90, Nr. 3. Texensis Publishing, Dezember 2008, ISSN 0031-9430, S. 260–261 (englisch, Online [abgerufen am 15. April 2012]).
-
↑ Juniperus arizonica in der Roten Liste gefährdeter Arten der IUCN 2011. Eingestellt von: Bachman, S., Farjon, A., Gardner, M., Thomas, P., Luscombe, D. & Reynolds, C., 2007. Abgerufen am 15. April 2012.
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Rotbeeren-Wacholder: Brief Summary
(
Almanca
)
wikipedia DE tarafından sağlandı
Der Rotbeeren-Wacholder (Juniperus coahuilensis) ist eine Pflanzenart aus der Familie der Zypressengewächse (Cupressaceae). Er ist im Süden der USA sowie in Nord-Mexiko heimisch.
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Juniperus coahuilensis
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Juniperus coahuilensis, commonly known as redberry juniper, is a species of conifer in the family Cupressaceae.[2]
Description
Juniperus coahuilensis grows as a large shrubby tree up to 8 metres (26 feet) tall. It is usually multi-trunked.[3] The bark is brown to gray, exfoliating in long strips on mature trunks and branches.[3]
The leaves are green to light green, and have glands that can produce a white crystalline exudate.[3]
The cones are a fleshy glaucous yellow-orange to dark red, 6–7 millimetres (1⁄4–9⁄32 in) in diameter, and mature in one year.[3]
This species is unusual in that it sprouts from the stump when cut or burned, which has probably allowed it to remain in the grasslands in spite of periodic grass fires that kill all other juniper species.[4]
Fossil record
The species is known to have been present during the Late Wisconsin Glacial Episode of the last glacial period, in North American latitudes defined by fossils from the Waterman Mountains in present-day Arizona.[5]
Distribution
The shrubby tree is found in northern Mexico and areas of the Southwestern United States within central and southeastern Arizona, southwestern New Mexico, and West Texas including Big Bend National Park.[3]
This species occurs in high desert grasslands at elevations of 1,200–2,000 m (3,900–6,600 ft), in Bouteloua spp. grasslands and adjacent rocky areas.[1] In Mexico, it can also occur in canyons or alluvial fans. In the Chihuahuan Desert and Sonoran Desert ecoregions, it often in association with Opuntia spp. and/or Yucca spp.[4]
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Juniperus coahuilensis: Brief Summary
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wikipedia EN tarafından sağlandı
Juniperus coahuilensis, commonly known as redberry juniper, is a species of conifer in the family Cupressaceae.
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Juniperus coahuilensis
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Juniperus coahuilensis: Brief Summary
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Juniperus coahuilensis eller «Coahuila Juniper» er en art av bartrær som tilhører einerslekten Juniperus i sypressfamilien. Den vokser kun i Mexico og det sørvestre USA.
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Juniperus coahuilensis
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Juniperus coahuilensis: Brief Summary
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Juniperus coahuilensis é uma espécie de conífera da família Cupressaceae.
Pode ser encontrada nos seguintes países: México e nos Estados Unidos da América.
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Juniperus coahuilensis
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Таксономічні примітки
Juniperus coahuilensis var. arizonica раніше був включений в цей вид, а в даний час визнається як окремий вид (Farjon 2010).
Поширення, екологія
Країни зростання: Мексика (Чіуауа, Коауїла, Дуранго, Наяріт, Тамауліпас, Сакатекас); США (Техас). Цей вид зустрічається в високогірній пустелі (1200–2000 м над рівнем моря), на луках і в прилеглих скелястих районах. Він незвичайний тим, що J. coahuilensis пускає пагони з пня, коли вирізати або спалити. Ця особливість, ймовірно, дозволяє йому залишатися на луках, незважаючи на періодичні трав'яні пожежі, які вбивають всі інші види ялівцю.
Морфологія
Чагарники або дводомні дерева, до 8 м, стовбур один; крона від плоско-кулястої до нерівної й до кулястої. Кора від сірого до коричневого кольору, лущиться на довгі рвані смуги. Гілки від розлогих до висхідних. Листки від зеленого до світло-зеленого кольору; батогоподібні листки 4-6 мм, сизо зверху; лускоподібні листки 1-3 мм з гострою вершиною. Шишки зріють 1 рік, від кулястих до яйцеподібних, 6-7 мм, трояндового кольору але жовто-оранжеві, оранжеві або темно-червоні під сизим покриттям, м'ясисті й дещо солодкуваті, з 1 (- 2) насінням. Насіння 4-5 мм.
Використання
Комерційне використання не відоме цього виду.
Загрози та охорона
Здається, немає ніяких загроз для цього виду, хоча надмірний випас в Мексиці може бути проблемою в деяких областях. Ялівець присутній в кількох ПОТ в США, у Мексиці — ні.
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Juniperus coahuilensis
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Vietnamca
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wikipedia VI tarafından sağlandı
Juniperus coahuilensis là một loài thực vật hạt trần trong họ Cupressaceae. Loài này được Martínez Gaussen ex R.P.Adams mô tả khoa học đầu tiên năm 1993.[1]
Chú thích
Liên kết ngoài
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Juniperus coahuilensis: Brief Summary
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Vietnamca
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wikipedia VI tarafından sağlandı
Juniperus coahuilensis là một loài thực vật hạt trần trong họ Cupressaceae. Loài này được Martínez Gaussen ex R.P.Adams mô tả khoa học đầu tiên năm 1993.
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_at_Bhandakthathaatch_(8000_ft)_I_IMG_7363.jpg){kind=small}
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