Stems several, erect, 30-40 cm tall, glabrous. Basal leaves petiolate; petiole 8-14 cm, slender, glabrous, base slightly sheathed; leaf blade green, cordate-reniform to hastate, 4-5 × 5.2-6.5 cm, thin, glabrous, veins palmate-pinnate, prominent abaxially, margin angular-dentate, apex acute. Stem leaves usually 3(or 4), sessile, ovate to triangular-cordate, 4-5.2 × 2.6-3.5 cm, base auriculate; distal leaves ovate, 7-9 × 3-5 mm. Capitulum solitary, nodding. Involucre hemispheric, 3-3.2 × 1.6-1.8 cm, almost glabrous; phyllaries 10-12, in 2 rows; outer phyllaries lanceolate, 15-16 × 4-5 mm, apex acuminate; inner phyllaries oblong-ovate, 15-16 × 7-8 mm, margin reddish membranous, apex acute. Ray florets yellow; lamina obovate-cuneate, 2-2.4 × 1.6-1.8 cm, apex truncate, usually 3-lobed; lobes 3-5 × 5-8 mm; tube ca. 2 mm. Tubular florets numerous, brownish yellow, 10-11 mm; tube ca. 2 mm; limb campanulate; style pale yellow, ca. 2 cm, stigma black. Achenes obovoid, ca. 3 mm. Pappus yellowish, 7-8 mm, slightly shorter than tubular corolla. Fl. Aug.
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