Plants 10-40 cm; herbage glabrous or sparsely hairy (hairs long). Stems ascending to erect. Leaves 3-15 cm; leaflets 7-11, blade linear to ovate, margins entire, or shallowly 2-lobed to deeply 3-lobed. Flowers funnel-shaped; sepals not accrescent, lanceolate to ovate-lanceolate, 3-6 mm; petals white (sometimes yellowish basally, or veins purplish, aging or drying white), cuneate to obovate, 7-12 mm, ca. 2.75 times as long as wide, 2-2.5 times longer than sepals, apex truncate, emarginate; filaments 2.5-4 mm; anthers (cream), 0.5-0.8(-1) mm; style 2.5-4 mm. Nutlets gray, 2-3 mm, tuberculate, tubercles gray, conic. 2n = 10.
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