Perennial herb from a slender rhizome, with stolons; stems erect or ascending, to 60 cm tall, hollow, glabrous or hairy.
Alternate, pinnately compound; leaflets 5, the upper egg-shaped, 15-20 mm long, the basal pair stipule-like, egg-shaped; stipules represented by small dark glands.
Inflorescence a compact, stalked, axillary umbel of 7 to 12 pea-like flowers, the umbel-stalks to 15 cm long, with 3-parted bracts below the umbel; corollas yellow, 12-15 mm long; calyces about 7 mm long, the lance-triangular teeth slightly longer than the tube, usually fringed with long hairs.
Pods, linear-oblong, about 2.5 cm long, glabrous, not constricted between the seeds.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Synonyms and Alternate Names:
Lotus pedunculatus Cav.