Herbs biennial, to 80 cm tall, stellate pilose. Petiole 4-10 cm, stellate hirsute; leaf blade ovate, both surfaces densely stellate hirsute, base cordate, margin crenate; blades on proximal part of stem 5-6-lobed, those on distal part of stem 3-5-lobed; lobes ovate-oblong, central lobe 8-9 × 4-6 cm. Flowers clustered into a terminal, racemelike inflorescence. Pedicel 10-20 mm, densely stellate hirsute. Foliaceous bracts absent. Epicalyx cup-shaped, 6-or 7-parted, ca. 8 mm in diam., lobes triangular to lanceolate, ca. 5 mm, densely stellate woolly. Calyx cup-shaped, ca. 2 × as long as epicalyx, densely stellate hirsute, lobes triangular-lanceolate. Corolla white, greenish yellow in center, 5-8 cm in diam.; petals obovate, ca. 4 cm, base attenuate into hairy claw, apex emarginate. Staminal column 1-1.5 cm. Style branches many. Schizocarp disk-shaped, ca. 1.5 cm in diam., puberulent. Fl. Jul.
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