Description from Flora of China
Herbs 7-17 cm tall, not distinctly brown spotted. Bulb 1, subterranean. Stolons above ground, glabrous. Basal leaves absent. Cauline leaves with petiole 1.4-2.4 cm; leaf blade usually reniform, 0.7-2.3 × 0.9-3 cm, glabrous, base usually cordate, rarely broadly cuneate, margin 7-17-crenate, teeth retuse and 1-verrucose at apex. Cyme 1-2.5 cm, 6-15-flowered; bracteal leaves with petiole 0.2-1.8 cm, brown papillose at axil, leaf blade broadly ovate to reniform, 0.3-2.5 × 0.3-3 cm, glabrous, base usually cordate, margin 5-13-crenate, teeth retuse (sometimes entire) and 1-verrucose at apex. Flowers green, ca. 3.7 mm in diam.; pedicel 1.2-1.8 mm. Sepals erect, broadly ovate, 1.2-1.6 × 1.2-1.9 mm, glabrous, apex obtuse. Stamens 8, ca. 0.5 mm. Ovary semi-inferior; styles horizontal, ca. 0.2 mm. Disc absent. Capsule 1.8-2.7 mm, apex truncate, retuse; carpels subequal; rostrums ca. 0.8 mm. Seeds dark brown, shiny, subovoid, 0.8-1 mm, smooth, glabrous. Fl. and fr. Jun-Sep.
* Forests, shaded and wet places in ravines; 1400-2200 m. S Gansu, NW Henan, Shaanxi.