Herbs perennial, 0.4-1(-2) m tall, most parts densely pubescent, sometimes also setose or stellate hairy; rootstock fleshy, radish-shaped, to 5 cm thick. Branchlets scabrous and hirsute with long hairs. Petiole 4-8 cm, sparsely long hirsute; leaf blades variable; blades on proximal part of stem ovate, those on middle and distal parts ovate-hastate, sagittate, or palmately 3-5-lobed or-parted, lobes broadly ovate or broadly lanceolate, 3-10 cm, abaxially long hirsute, adaxially sparsely spiny, base cordate or hastate, margin serrate or lobed, apex obtuse. Flowers solitary, axillary. Pedicel slender, 4-7 cm, densely scabrous hirsute. Epicalyx lobes 6-12, filiform, ca. 15 × 1-1.7 mm, sparsely hirsute, spreading or reflexed. Calyx spatulate, ca. 7 mm, apex 5-toothed, densely minutely puberulent. Corolla mostly white or pale yellow to dark pink, 4-5 cm in diam.; petals obovate-oblong, 3-4 cm. Staminal column ca. 2 cm, glabrous. Style branches 5; stigma flat. Capsule ellipsoid, ca. 3 × 2 cm, spiny, shortly beaked. Seeds reniform, glandularly reticulately striate. Fl. May-Sep.
Open Pinus forests, hills, grassy slopes, wastelands.
Can be grown by seedlings. Seeds needs soaking.
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