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Perennial herb from a stout branched stem-base covered with brown remains of old leaf-bases; stems 1 to several, tufted, spreading to erect, 15-50 cm tall, usually branched above, white-woolly and silvery-silky.
Basal leaves stalked, pinnately compound; leaflets 5 to 11, oblong, 2-5 cm long, coarsely sharp-toothed not more than halfway to the midrib, white-woolly or silvery-silky on both surfaces or greenish above; stem leaves alternate, 2 to 5, reduced upwards.
Inflorescence an open, terminal cluster of several to many stalked flowers; corollas yellow, bowl-shaped, the petals 5, egg-shaped, 4-8 mm long, shallowly notched or rounded at the tip; calyces woolly- and coarse-hairy, 5-lobed, the lobes lance-egg-shaped, slightly shorter than the petals, alternating with 5 narrowly lanceolate bractlets about the same length as the calyx-lobes; ovaries superior; stamens usually 20.
Achenes, numerous, clustered, lopsided-egg-shaped, 1.5 mm long, smooth.
Source: The Illustrated Flora of British Columbia