Plants 20-36 cm tall. Rhizomes rather short. Stem simple, brown glandular hairy. Basal leaves with petiole 1.5-12 cm, brown glandular hairy; leaf blade usually ovate, rarely broadly ovate to reniform, 1.2-10 × 1-8.4 cm, leathery, both surfaces glandular hispid and spotted, base cordate, with a foliar embryo in sinus, margin undulate, thickly dentate, glandular ciliate, apex obtuse or acute. Cauline leaves 1-4, lanceolate to ovate, 2.5-5 × ca. 1.1 mm, abaxially and marginally glandular hairy, 1-veined. Inflorescence paniculate, 13-22 cm, 12-30-flowered; branches 3-9.5 cm, glandular hairy, 2-4-flowered; pedicels slender, 0.6-2 cm, sparsely glandular hairy. Sepals spreading to reflexed, ovate, 1.6-4 × 1-1.6 mm, abaxially and marginally glandular hairy, veins (2 or)3, confluent into a verruca at apex, apex obtuse or acute. Petals 5, white; shortest 3 petals ovate, 2-4.5 × 1.3-2.2 mm, (1-)3-5-veined, base with a claw 0.2-1 mm, apex acute to shortly acuminate; longer petal lanceolate to linear-lanceolate, 0.3-1.8 cm × 1.2-2 mm, 3-5(-12)-veined, base with a claw 0.3-1 mm; longest petal linear-lanceolate to lanceolate, 1.3-2.9 cm × 2.2-7.5 mm, 5-9(-15)-veined, base gradually contracted into a claw 0.2-2 mm, apex acute to subacuminate. Stamens 4.5-5.5 mm. Carpels 4.5-5.1 mm; ovary ovoid, 2-3.3 mm; styles 1.8-3.2 mm. Fl. and fr. May-Oct.

Forests, rock crevices; 800-3800 m. NE Guangdong, NE Guangxi, W Sichuan, Yunnan [Vietnam].