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Perennial herb from a long, strawberry-like stolon or runner, rooting and producing leaf-clusters at the nodes, smooth to sparsely appressed-silky on the stolons.
All basal, tufted, 10-40 cm long, stalked, ascending, pinnately compound; 7 to 21 main leaflets 0.5-5 cm long, interspersed with smaller ones, oblong to egg-shaped, coarsely saw-toothed, green and smooth to sparsely hairy above, silvery-silky only on the veins and white-woolly beneath, the leaf-stalks smooth to sparsely hairy.
Inflorescence of single flowers on long naked stalks from the leafy nodes of the stolons, the stalks 5-25 cm long; corollas yellow, bowl-shaped, the petals 5, oval-oblong, 8-16 mm long; calyces silky and woolly, 5-lobed, the lobes egg-shaped, 3-10 mm long, enlarging and becoming erect in fruit, alternating with 5 shorter, sometimes toothed bractlets; ovaries superior; stamens 25 to 30.
Achenes, numerous, plumply egg-shaped, about 2 mm long, rounded and smooth to obscurely wrinkled on the back.
Source: The Illustrated Flora of British Columbia