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Perennial herb from a thick, simple to branched stem-base; stems 1 to few, tufted, erect, very leafy, 30-70 cm tall, branched above, with both coarse and fine hairs.
Basal leaves few, long-stalked, palmately compound; leaflets 5 to 7, lanceolate to oblong, 3-10 cm long, deeply saw-toothed, greenish and coarse-hairy on both surfaces, prominently veined beneath; stem leaves alternate, several, similar but shorter-stalked.
Inflorescence an open, flat-topped, terminal cluster of many stalked flowers; corollas pale yellow, bowl-shaped, the petals 5, egg-shaped, about 10 mm long, deeply notched at the tip; calyces glandular and long-hairy, 5-lobed, the lobes lance-egg-shaped, 5-9 mm long, alternating with 5 narrower bractlets about the same length as the calyx-lobes; ovaries superior, the styles glandular-warty and somewhat thickened at the base; stamens 25-30.
Achenes, numerous, clustered, lopsided-egg-shaped, about 1 mm long, brownish, strongly net-veined.
Source: The Illustrated Flora of British Columbia