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

Lotus denticulatus (E. Drew) Greene
meadow birds-foot trefoil (riverbar bird's-foot trefoil)
Fabaceae (Pea family)

Introduction to Vascular Plants

© Paul Handford  Email the photographer   (Photo ID #72756)

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Distribution of Lotus denticulatus
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Species Information

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General:
Annual herb from a taproot; stems mostly erect or ascending, 10-50 cm tall, few-branched, finely short-hairy.
Leaves:
Alternate, pinnately compound; leaflets 3 or 4, two at the tip of the flattened axis and 1 or 2 on one side, elliptic to egg-shaped, 1-2 cm long, short-hairy, the margins fine-toothed; stipules tiny, gland-like.
Flowers:
Inflorescence of single, nearly stalkless, axillary pea-like flowers; corollas 4-8 mm long, creamy-white with a purplish-tipped banner; calyces short-soft-hairy to glabrous, 3-5 mm long, the linear teeth twice as long as the brown-mottled tube.
Fruits:
Pods, broadly oblong, 8-15 mm long, appressed soft-hairy, not constricted between the seeds; seeds 2 to 4, grey, flattened, 2.5-4 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic open, often sandy meadows, grassy slopes, river bars and lakeshores in the lowland, steppe and lower montane zones; common in BC S of 55degreeN, except absent from the Queen Charlotte Islands, N Vancouver Island and adjacent coast; S to N CA.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Hosackia denticulata E. Drew

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References