Species: Rubus nigerrimus
Northwestern Blackberry
Species
Encyclopedia of Puget Sound
Classification
Kingdom
Plantae
Phylum
Anthophyta
Class
Dicotyledoneae
Order
Rosales
Family
Rosaceae
Genus
Rubus
NatureServe
Classification
Informal Taxonomy
Plants, Vascular - Flowering Plants - Rose Family
Formal Taxonomy
Plantae - Anthophyta - Dicotyledoneae - Rosales - Rosaceae - Rubus - Accepted as a species by Kartesz (1994 and 1999); a raspberry, hence not part of the taxonomically controversial blackberry/dewberry group within the genus Rubus.
Ecology and Life History
Short General Description
A shrub, up to 2 m tall. Stems are up to 5 m long, and are densely armed with flattened or hooked prickles. White flowers (May or June) are loosely clustered at the ends of the branches or, occassionally, arise from the bases of leaves. The blackish fruits are raspberry-like, but dry and crumbly. This species can be distinguished from other Rubus species in the area by a lack of hairs on both sides of its leaves.
Conservation Status
NatureServe Global Status Rank
G1
Global Status Last Reviewed
2005-01-03
Global Status Last Changed
1997-07-30
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?US.WA=S1" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
The species is known from an area approximately 20 x 4 miles along the Snake River in Whitman and Garfield counties, Washington.