General:
Perennial herb from a short thick rhizome and branched stem-base; stems 1 to several, tufted, spreading to erect, 15-60 cm tall, greenish, thinly long-hairy to nearly smooth.
Leaves:
Basal leaves long-stalked, pinnately compound; leaflets 5 to 9 (11), closely crowded, egg-shaped, 1-5 cm long, cleft halfway to the midrib into lanceolate teeth, greenish and smooth on the upper surface, hairy to nearly smooth beneath; stem leaves alternate, 2 or 3.
Flowers:
Inflorescence an open terminal cluster of several to many stalked flowers; corollas yellow, bowl-shaped, the petals 5, heart-shaped, 6-11 mm long, shallowly notched at the tip; calyces sparsely coarse-hairy, 5-lobed, the lobes egg-shaped, alternating with 5 slightly shorter, lanceolate bractlets; ovaries superior; stamens about 20.
Fruits:
Achenes, numerous, clustered, lopsided-egg-shaped, about 1.5 mm long, olive-brown, smooth.
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