E-Flora BC: Electronic Atlas of the Flora of British Columbia

Frangula purshiana DC.
Rhamnaceae (Buckthorn family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #9313)

E-Flora BC Static Map
Distribution of Frangula purshiana
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Frangula purshiana ssp. purshiana

Species Information

Click on the image below to view an expanded illustration for this species.

Deciduous shrub or small tree up to 10 m tall with yellow- to brownish hairs, bark silvery-grey.
Alternate, egg-shaped to broadly elliptic, the blades 6-13 cm long, finely toothed with 10-12 conspicuous pairs of parallel veins, the veins short-hairy; stalks 5-23 mm long; stipules lacking.
Inflorescence an axillary, stalked cluster of 8-25 male and/or female flowers; petals 5, greenish, hooded, 3-4 mm long; hypanthium lined with a thin disc; calyces 5-lobed, the lobes triangular, finely hairy.
Berries, 6-10 mm long, black to purplish-black; seeds 3. vol4_6

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Mid Spring
Fruit/Seed characteristics:
Colour: Black
Present from Spring to Summer
Source:  The USDA

Habitat / Range

Moist to mesic streambanks, thickets, woodlands and forests in the lowland, steppe and montane zones; common in SW BC, frequent in SC and SE BC south of 51degreeN; S to ID, MD and CA.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Rhamnus purshiana

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References