Rubus species

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Scientific Name Rubus deliciosus USDA PLANTS Symbol RUDE
Common Name Boulder Raspberry ITIS Taxonomic Serial No. 24910
Family Rosaceae (Rose) SEINet
Reference
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Description Life zones and habitat: Plains to montane (4400 to 11000 ft.); roadsides, hillsides, scrubland.
Plant: Perennial shrub, 2 to 3 feet tall; arching branches do not have spines; new stems are reddish.
Leaves: Deciduous bright green rounded (orbiculate to reniform), lobed leaves 1-1/4 to 1-3/4 inches across; edges have irregular teeth.
Inflorescence: Single flower on each stem up to 2 inches across, 5 white petals with yellow anthers.
Bloom Period: May to August.
Fruit: Raspberry-like green to purple hemispherical fruit, very seedy and bitter. "Deliciosus" is a misnomer.
References: "Flora of Colorado" by Jennifer Ackerfield, www.americansouthwest.net, and "A Guide to Rocky Mountain Plants" by Nelson and Williams.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Rubus idaeus USDA PLANTS Symbol RUID
Common Name Wild Raspberry ITIS Taxonomic Serial No. 24947
Family Rosaceae (Rose) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (6300 to 12000 ft.); along trails, roadsides, rocky slopes.
Plant: Perennial shrub, 1-1/2 to 4 feet tall; green to reddish new canes (branches) with dense, stiff bristles mixed with softer, gland-tipped hairs; second year canes produce flowering branches.
Leaves: Deciduous, alternate, pinnately-compound, usually 3 to 5 lanceolate leaflets, green on top, gray/white underneath; with toothed edges.
Inflorescence: 3 to 8 stalked flowers in loose clusters at the tips and upper leaf axils of new stems; white flowers 1/3 to 1/2 inch across with 5 petals that fall off early; many styles surrounded by numerous white stamens.
Bloom Period: June to August.
Fruit: Round cluster, 1/3 to 1/2 inch in diameter of fleshy druplets, turning purplish red.
References: "Flora of Colorado" by Jennifer Ackerfield, Minnesota Wildflowers, and "A Guide to Rocky Mountain Plants" by Nelson and Williams.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Rubus parviflorus USDA PLANTS Symbol RUPA
Common Name Thimbleberry ITIS Taxonomic Serial No. 25007
Family Rosaceae (Rose) SEINet
Reference
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Description Life zones and habitat: Montane and subalpine, in Colorado (6500 to 10500 ft.); lower elevations in other western states. Open woods, meadows, streambanks, meadows, moist hillsides, roadsides, sandy areas.
Plant: Perennial shrub, 3 to 6 feet tall often in dense clumps; stems (canes) with soft, glandular hairs, no prickles.
Leaves: Large deciduous, alternate leaves, up to 6 inches wide on long stalks; 3 to 7 (usually 5) pointed lobes with toothed edges.
Inflorescence: One to several flowers in a loose, open cyme at the end of a cane or at leaf axils; white flowers 1 to 2 inches across with obovate-shaped petals; 5 green, sticky, spreading sepals tapering to a narrow tip; many styles surrounded by numerous yellowish stamens.
Bloom Period: June to August.
Fruit: Round cluster, less than 1/2 inch in diameter of fleshy druplets, turning bright red.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet, and www.americansouthwest.net
BONAP Distribution Map

Colorado Status:
Native



© Tom Lebsack 2021