Rubus leucodermis
Template:Short description Template:Speciesbox
Rubus leucodermis, also called whitebark raspberry, blackcap raspberry,[1][2] or blue raspberry,[3] is a species of Rubus native to western North America.
Description
Rubus leucodermis is a deciduous shrub growing to Script error: No such module "convert"., with prickly shoots.[4] While the crown is perennial, the canes are biennial, growing vegetatively one year, flowering and fruiting the second, and then dying. As with other dark raspberries, the tips of the first-year canes (primocanes) often grow downward to the soil in the fall, and take root and form tip layers which become new plants. The leaves are pinnate, with five leaflets on the leaves' hardy stems in their first year, and three leaflets on leaves on flowering branchlets with white (and infrequently light purple) flowers.
The fruit is Script error: No such module "convert". diameter, red to reddish-purple at first, turning dark purple to nearly black when ripe.[5] The edible fruit[6] has high contents of anthocyanins and ellagic acid.[1][7]
R. leucodermis is similar to the eastern black raspberry (Rubus occidentalis).[7]
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Taxonomy
Subdivision
Three varieties are recognized:[2]
- Rubus leucodermis var. leucodermis – Alaska to Chihuahua
- Rubus leucodermis var. bernardinus Jepson – southern California
- Rubus leucodermis var. trinitatis Berger – southern California
Etymology
The name leucodermis means "white skin", referring to the white appearance of the stems because of a thick waxy coating on the surface.
Distribution and habitat
The species can be found from Alaska southward along the Pacific coast as far as California, Arizona, New Mexico, and Chihuahua.[8][9][10][7][11]
Ecology
The plant forms natural hybrids with other species in subgenus Idaeobatus.
See also
References
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- ↑ a b c Flora of North America Rubus leucodermis Douglas ex Torrey & A. Gray, 1840.
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- ↑ Calflora taxon report, University of California, Rubus leucodermis Torrey & A. Gray, White Stemmed Raspberry, western raspberry, white bark raspberry
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External links
- Pages with script errors
- Rubus
- Berries
- Flora of Alaska
- Flora of British Columbia
- Flora of California
- Flora of New Mexico
- Flora of Northwestern Mexico
- Flora of the Cascade Range
- Flora of the Northwestern United States
- Flora of the Sierra Nevada (United States)
- Flora of the Southwestern United States
- Garden plants of North America
- Natural history of the California Coast Ranges
- Natural history of the Transverse Ranges
- Plants described in 1840
- Flora without expected TNC conservation status