Stem solitary, erect, 30-40 cm tall, ca. 3 mm in diam. at base, proximally glabrous, distally purplish brown pilose. Basal leaves petiolate; petiole 6-17 cm, slender, glabrous, base sheathed; leaf blade reniform, orbicular-reniform, or cordate-reniform, 2-3.5 × 2.5-7 cm, thin, soft, glabrous, palmate veins prominent abaxially, margin angular-dentate and ciliate, apex rounded. Stem leaves 1 or 2, smaller, proximal leaves shortly petiolate, base enlarged sheathed; leaf blade reniform, distal ones with only sheath. Capitulum solitary, nodding. Involucre hemispheric, 1-1.5 × 2-2.5 cm, outside black pilose; phyllaries 10-12, in 2 rows, 4-6 mm wide, apex acute; outer phyllaries lanceolate; inner phyllaries oblong, margin membranous. Ray florets yellow; lamina oblanceolate, 1.5-2 cm × 4-8 mm, apex rounded, denticulate; tube ca. 1 mm. Tubular florets numerous, deep yellow, 6-7 mm; tube ca. 1 mm; limb campanulate. Achenes brown, cuneate, 4-5 mm. Pappus white, slightly shorter than corolla. Fl. and fr. Aug.
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