Herbs perennial, 16-43 cm tall. Stem proximally brown crisped villous or glabrous, distally shortly glandular hairy. Basal leaves with petiole 3-9 cm, abaxially and marginally brown villous; leaf blade ovate-cordate to narrowly ovate, 1.5-5 × 1.2-2.6 cm, abaxially and marginally brown pubescent, adaxially glabrous or brown pilose near base, base cordate, apex acute. Cauline leaves 8-12; petiole 0.5-4 cm, brown crisped villous; leaf blade subcordate or ovate-cordate to narrowly ovate, 1-6.3 × 0.4-4 cm, base cordate or subcordate, apex obtuse or acute; proximal leaf blades larger, abaxially and marginally brown pilose or glandular pilose, adaxially glabrous or subglabrous; distal leaf blades smaller, usually glabrous on both surfaces, glandular hairy at margin. Cyme corymbose, 3-14 cm, 5-17-flowered; pedicels 6-12 mm, glandular hairy. Sepals reflexed, narrowly to broadly ovate, 3-4.2 × 1.3-3.5 mm, abaxially glandular hairy or glabrous on both surfaces, veins 3(-5), not or partly confluent at apex, margin membranous, glandular ciliate, apex obtuse or acute, rarely erose. Petals yellow, elliptic, obovate, or ovate to narrowly so, rarely oblong, 5-8 × 2-5 mm, usually not callose, rarely 4-6-callose, (3-)5-7(-9)-veined, base narrowed into a claw 0.5-1.3 mm, apex obtuse. Stamens 4-5.6 mm. Ovary subsuperior, ovoid, 3-4.2 mm; styles 1-1.6 mm. Fl. and fr. Aug-Oct. 2n = 16, (?20).
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