Stem solitary, erect, 35-60 cm tall, 2-4 mm in diam. at base, proximally glabrous, distally dark brown pilose. Basal leaves long petiolate; petiole 10-24 cm, base sheathed, glabrous or distally brown pilose; leaf blade reniform or triangular-reniform, 3.5-7 × 4-8.5 cm, glabrous, palmate veins prominent abaxially, margin regularly crenate or coarsely dentate, apex rounded. Stem leaves 1-3, proximal to middle leaves petiolate, proximal part of petiole enlarged into a blade, thus whole leaf dumbbell-shaped and larger than distal stem leaves, margin irregularly sharply dentate. Distal stem leaves ovate, lobed. Capitulum solitary, nodding. Involucre hemispheric, 1-1.5 × 2.5-3 cm, outside black pilose; phyllaries 12, in 2 rows, 3-7 mm wide, apex acute, ciliate; outer phyllaries lanceolate; inner phyllaries ovate, margin broadly membranous. Ray florets yellow; lamina broadly oblanceolate, 2-2.5 cm × 8-10 mm, apex truncate, 3-or 4-lobed; tube ca. 1 mm. Tubular florets numerous, 7-8 mm, apex brown; tube ca. 1.5 mm; limb narrowly cylindric. Achenes (immature) 2-3 mm. Pappus pale brown, shorter than tubular corolla. Fl. Jul-Aug.
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