Plants 16-40 cm tall. Rhizomes rather long. Petiole 3.7-1.6 cm, red-brown glandular villous; leaf blade reniform or orbicular-reniform to cordate, 2.4-10 × 3.2-12 cm, glandular hairy, base cordate to reniform or cuneate to truncate, margin 9-11-lobed, apex obtuse; lobes broadly ovate, margin irregularly dentate, sometimes 3-lobed. Scape densely red-brown glandular hairy. Inflorescence paniculate, 6-18 cm, 10-31-flowered; branches slender, 2.2-9 cm, 2-4-flowered, glandular hairy; bracts linear, 2.3-6 × 0.5-1.1 mm, margin glandular villous; pedicels 0.6-2.5 cm, glandular hairy. Sepals spreading to reflexed, ovate to narrowly so, 1.3-4 × 0.5-1.8 mm, abaxially and marginally glandular hairy, veins 3, confluent at apex, apex obtuse or shortly acuminate. Petals 5, white to pink; usually shortest 4 petals lanceolate to narrowly so, 4-4.5 × 1-2.3 mm, arcuately 3-5(-8)-veined or 1-veined, base with a claw 0.3-0.6 mm, margin ± glandular ciliate or glabrous, apex subacuminate; longest petal lanceolate to linear, 1-1.9 cm × 1.3-4.6 mm, arcuately 3-9-veined or 1-veined, base with a claw 0.8-1 mm, margin ± glandular ciliate or glabrous, apex obtuse or acuminate. Stamens 4.5-5.5 mm. Ovary ovoid, 1.3-2.5 mm; styles 1.6-3 mm. Fl. Apr-Jun.
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