Frangula rubra
Frangula rubra | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Rosales |
Family: | Rhamnaceae |
Genus: | Frangula |
Species: | F. rubra
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Binomial name | |
Frangula rubra (Greene) Grubov
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Synonyms | |
Rhamnus rubra Greene |
Frangula rubra (syn. Rhamnus rubra) is a species of flowering plant in the buckthorn family known by the common names red buckthorn and Sierra coffeeberry.
Description
Frangula rubra is a spreading shrub approaching 2 metres (6+1⁄2 ft) in maximum height, its bark red or gray.[1] The thin, deciduous leaves are generally oval in shape, green to grayish in color, and up to 6 centimetres (2+1⁄2 in) long.[1] The edges are smooth or faintly toothed. The inflorescence is an umbel of up to 15 flowers with five pointed sepals opening into a starlike shape and five smaller, greenish petals.[1] The fruit is a drupe which ripens to black. It measures just over 1 cm long and contains 2 seeds.
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Foliage
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Berry and seeds
Distribution and habitat
It is native to the mountains and plateau areas of northern and eastern California and western Nevada, including the Sierra Nevada and Klamath Mountains, where it grows in many habitat types, including forests, chaparral, and sagebrush.[1]
Adverse effects
The berry is inedible and may have a laxative effect.[1]
References
- ^ a b c d e Turner, Mark; Kuhlmann, Ellen (2014). Trees & Shrubs of the Pacific Northwest (1st ed.). Portland, OR: Timber Press. p. 233. ISBN 978-1-60469-263-1.
External links
- Jepson Manual Treatment - Rhamnus rubra
- USDA Plants Profile: Frangula rubra
- Rhamnus rubra - Photo gallery