Rubus procerus - Himalayan blackberry

Family: Rosaceae
Wetland Indictor Status: FACU(fac)


General Species Description

Young stems are green, while older stems can be deep red to burgundy. Invasive with sprawling armored stems of strong sharp prickles.


Leaves

Leaves are alternate, 12-25cm wide, green above with white hairs below, and prominate veins. There are 3-5 leaflets, oval, with toothed margins.


Inflorescence/Flowers

The flowers of this shrub are white to pinkish, and bloom in April through June.


Fruits

The fruits are blackish-purple when ripe.


Habitat

Rubus procerus can dominate disturbed upland sites. Prefers bright sun, and is intolerant to deep shade. Grows along roadsides, railroad grades, disturbed pastures, and fence rows.


Range

Found from British Colombia south to California, mostly west of the Cascades.


Similar Species

Himalayan blackberry can be confused with Rubus ursinus, yet this species has 3-lobed leaves, and stems are delicate and creeping.


Ecological Value

Birds and mammals consume the fruits. Excellent escape habitat. Nest sites for songbirds and sparrows. Has been used to stabilize road cuts.


Human Value

Has been raised for it's fruit to make jams, pies and just for eating plain.


References

Cooke, Sarah. Field Guide to the Common Wetland Plants of Western Washington and Northwestern Oregon. Seattle Audubon Society, 1997.


This page was created by: Christina Norton, August 2000


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