Stem erect or decumbent, thin, yellowish at base, unbranched, densely puberulous, sometimes proximally glabrous. Petiole 4–12 cm, pubescent; leaf blade round-reniform or cordate-reniform, 2–4 × 3.5–7 cm, somewhat leathery, both surfaces appressed-strigose, base deeply cordate, deeply 5–7-divided to middle or below the middle; central segment broadly ovate or obovate, shallowly 3-lobed, irregularly serrate. Umbels many-flowered; peduncles thin, longer than petioles; bracts small, membranous; pedicels 2–4.5 mm, glabrous, spreading. Petals covered with purplish red stains. Styles reflexed when mature. Fruit purplish red when young, becoming dark purple, subglobose, ca. 1.2 × 1.8 mm. Fl. and fr. Jul–Aug.

Bamboo forests, moist grassy places; 1200–1800 m. W Hubei (Badong, Jianshi), Chongqing (Fengjie).