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)

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

Species Information

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

Annual herb from a taproot; stems mostly erect or ascending, 10-50 cm tall, few-branched, finely short-hairy.
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.
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.
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


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