Herbs perennial. Leaves ± dimorphic. Outer leaves long petiolate, broadly ovate, 1--4 mm wide, abaxially densely white farinose, usually withering during anthesis. Petiole of inner leaves 3--4 X as long as leaf blade; leaf blade broadly ovate to reniform, 2--7 cm wide, abaxially sparsely glandular and occasionally fugacious white farinose, base subcordate, margin irregularly sharp incised-dentate, apex rounded. Scapes 9--25 cm, glandular pubescent; umbels 3--12-flowered; bracts lanceolate, 0.5--1.5 cm, leaflike, apex acuminate. Pedicel 1--4 mm, glandular puberulous, white farinose at base. Flowers heterostylous. Calyx campanulate, 5.5--8.5 mm, white farinose at base and inside, parted to below middle; lobes lanceolate, glandular ciliolate. Corolla yellow; limb 1.5--2 cm wide; lobes obovate, deeply emarginate. Pin flowers: corolla tube 1.2--1.3 cm; stamens ca. 4 mm above base of corolla tube; style nearly as long as tube. Thrum flowers: corolla tube ca. 1.5 cm; stamens toward apex of corolla tube; style ca. 3 mm. Capsule subglobose, 3--4 mm in diam.
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