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Associations

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This plant attracts birds in particular. This and related species in the genus Rubus are among the most important summer foods for songbirds and game birds as well as for many mammals. (NPIN, 2007)
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Cyclicity

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The plant flowers in June and produces poor fruit in August. Stems are generally biennial. (Peattie, 1930) Bloom time is June-September. (NPIN, 2007) Active growth period is the Spring. Growth rate is moderate. Fruit/seed period begins in Spring and ends in Summer. (USDA PLANTS, 2009)
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Distribution

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USA: CT , DE , IL , IN , IA , KY , ME , MD , MA , MI , NH , NJ , NY , NC , OH , PA , RI , SC , TN , VT , VA , WV , WI , DC (NPIN, 2007)

Canada: NB , NS , ON , PE , QC (NPIN, 2007)

Native Distribution: Ontario east to Nova Scotia, south to South Carolina, west to Tennessee, and north to Iowa and Wisconsin. (NPIN, 2007)

USDA Native Status: L48(N), CAN(N) (NPIN, 2007)

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Habitat

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This plant is common throughout in woods, thickets, open ground, and bogs. (Peattie, 1930) Native habitat consists of moist thickets, open woods, and clearings. (NPIN, 2007) Habitat constitutes swamps, acidic woods, and bogs. (UW, 2009)
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Life Expectancy

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This is a perennial. (NPIN, 2007) Lifespan is moderate. (USDA PLANTS, 2009)
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Look Alikes

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A great many species of dewberry occur, some with bristles and some with stronger prickles. These plants are related to blackberries and raspberries (both in Rubus). (NPIN, 2007)
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Morphology

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Overall this is a shrubby plant. (NPIN, 2007) This is a trailing, perennial shrub. (UW, 2009)

Flowers The corymbiform racemes are few-flowered. (Peattie, 1930) Bloom color is white. The flowers are loose, terminal clusters or in leaf axils. (NPIN, 2007) Flowers are white, and 5-parted. Inflorescence consists of several to many short-stalked flowers in a raceme-like cluster. (UW, 2009)

Fruit are small, a few small sour reddish-purple drupelets (berry subdivisions). The calyx is withering-persistent below the fruit. Carpels are inserted on a convex receptacle and ripen into a compound fruit of drupelets each containing a small seed. (Peattie, 1930) Fruit color is black and red. (NPIN, 2007) This is a reddish-black, sour berry. (UW, 2009)

Leaves Leaflets are smooth, firm, thick, dark green and shining above. (Peattie, 1930) Leaves are gray-green and shiny. usually 3-parted (NPIN, 2007) Plant bears 3 or 5 parted toothed leaflets. (UW, 2009)

Stems Elongated stems are prostrate and beset with backwardly hooked prickles. Branches are more or less erect. (Peattie, 1930) Trailing, woody stems bear weak, backward-curving bristles. The erect branches are. (NPIN, 2007) The first year's canes are normally rooting at the tip. The small thorns are thin and mostly straight. (UW, 2009)

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Risk Statement

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Warning: This plant has thorns or prickles. (NPIN, 2007)
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Size

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Plant height at 20 Years and maturity is a maximum of 2'. (USDA PLANTS, 2009)

Flowers are 1.5-2 cm across. (Peattie, 1930) Flowers are 1/2"-3/4" wide. (UW, 2009)

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Uses

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Native Americans used various preparations of roots, leaves and fruit used for cough, fever, consumption, as a vermifuge, for dysentery, for diarrhea, and for boils. (UM, 2009)
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Comprehensive Description

provided by North American Flora
Rubus hispidus L. Sp. PL 493. 1753
Rubus obovalis Michx. Fl. Bor. Am. 1: 298. 1803.
Rubus obovatus Ell. Bot. S. C. & Ga. 1: 570. 1821. Not R. obovatus Pers. 1806.
Rubus sempervirens Bigel. Fl. Bost. ed. 2. 201. 1824.
Stems biennial, prostrate and trailing from the beginning, 5-15 dm. long, slender, glabrous, usually densely retrorsely bristly; leaves of the turions 3-foliolate, rarely pedately 5-f oliolate, more or less persistent through the winter; stipules linear-subulate, 5-8 mm. long; petioles divergent, 2-5 em. long, often bristly; leaflets rather firm, glabrous on both sides, dark-green and shining above, paler and duller beneath, coarsely double-serrate, with broad mucronate teeth; lateral veins 5-7 on each side; median leaflet rhombic-obovate, acute or abruptly shortacuminate, 3-6 cm. long, with a petiolule 5-10 mm. long, the lateral ones oblique, broadly ovate, with petiolules 1-2 mm. long; leaves of the upright floral branches also 3-foliolate or the upper unifoliolate; leaflets more obovate and usually rounded at the apex; inflorescence corymbiform, few-flowered, terminal, sometimes also with 1 or 2 flowers in the upper axils; peduncles and pedicels more or less tomentulose-puberulent and bristly or unarmed; sepals oval, about 4 mm. long, mucronate, tomentulose within; petals white, obovate, 8 mm. long; fruit dark-red or purple; drupelets few, 10-20, glabrous.
Type locality: Canada.
Distribution: Low woods and wet meadows, from Nova Scotia to Georgia, Michigan, and Minnesota (?).
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bibliographic citation
Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY
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Comprehensive Description

provided by North American Flora
Rubus hispidus L. Sp. PL 493. 1753
Rubus obovalis Michx. Fl. Bor. Am. 1 : 298. 1803.
Rubus obovatus Ell. Bot. S. C. & Ga. 1: 570. 1821. Not R. obovatus Pers. 1806.
Rubus sempervirens Bigel. Fl. Bost. ed. 2. 201. 1824.
Stems biennial, prostrate and trailing from the beginning, 5-15 dm. long, slender, glabrous, usually densely retrorsely bristly; leaves of the turions 3-foliolate, rarely pedately 5-f oliolate, more or less persistent through the winter; stipules linear-subulate, 5-8 mm. long; petioles divergent, 2-5 cm. long, often bristly; leaflets rather firm, glabrous on both sides, dark-green and shining above, paler and duller beneath, coarsely double-serrate, with broad mucronate teeth; lateral veins 5-7 on each side; median leaflet rhombic-obovate, acute or abruptly shortacuminate, 3-6 cm. long, with a petiolule 5-10 mm. long, the lateral ones oblique, broadly ovate, with petiolules 1-2 mm. long; leaves of the upright floral branches also 3-foliolate or the upper unif oliolate ; leaflets more obovate and usually rounded at the apex ; inflorescence corymbifonn, few-flowered, terminal, sometimes also with 1 or 2 flowers in the upper axils; peduncles and pedicels more or less tomentulose-puberulent and bristly or unarmed; sepals oval, about 4 mm. long, mucronate, tomentulose within; petals white, obovate, 8 mm. long; fruit dark-red or purple; drupelets few, 10-20, glabrous.
Type locality: Canada.
Distribution: Low woods and wet meadows, from Nova Scotia to Georgia, Michigan, and Minnesota (?).
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bibliographic citation
Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY
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Swamp dewberry

provided by wikipedia EN

Rubus hispidus, with the common names swamp dewberry, bristly dewberry, bristly groundberry, groundberry, hispid swamp blackberry or running swamp blackberry, is North American species of dewberry in the rose family.

The plant grows in moist or sometimes dry soils, ditches, swales or open woods in central and eastern North America, from Ontario and Minnesota east to Newfoundland, and south to South Carolina and Mississippi.[2]

Description

Rubus hispidus is a small, herb-like shrub up to 20 cm (8 inches) tall. The twigs are red and have bristles. Flowers are generally in small clumps, each with five white rounded petals. The fruit are dark purple, almost black.[3]

Unripe berries.

Uses

The plant is eaten by birds and many mammals.[4]

A dull blue dye can be created from its berries. The fruit also can be used as an astringent.

The berries are rather bitter for culinary use, and so this plant is generally not cultivated.

References

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Swamp dewberry: Brief Summary

provided by wikipedia EN

Rubus hispidus, with the common names swamp dewberry, bristly dewberry, bristly groundberry, groundberry, hispid swamp blackberry or running swamp blackberry, is North American species of dewberry in the rose family.

The plant grows in moist or sometimes dry soils, ditches, swales or open woods in central and eastern North America, from Ontario and Minnesota east to Newfoundland, and south to South Carolina and Mississippi.

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