Chrysosplenium wuwenchenii Z. P. Jien

Herbs 8-12.5 cm tall. Sterile branches arising from stem base. Stems cespitose, proximally pilose, distally glabrous. Basal leaves with petiole 2.5-3 cm, proximally pilose; leaf blade reniform to orbicular-reniform, 0.8-2.2 × 0.9-2.5 cm, abaxially glabrous, adaxially pilose, base reniform, margin obscurely 15-17-crenate. Cauline leaf usually 1; petiole 1.8-2.5 cm, proximally pilose, brown glandular hairy at axil; leaf blade reniform, 0.6-1.3 × 1-1.5 cm, abaxially and marginally glabrous, adaxially pilose, margin 9-13-crenate (teeth 1-verrucose at apex), apex obtuse. Cyme 4-12.5 cm; branches glabrous; bracteal leaves with petiole 0.5-3 mm, glabrous except papillose at axil, leaf blade broadly subovate to broadly suborbicular, 3.8-7 × 4.1-10 mm, glabrous, base truncate-rounded to broadly cuneate, margin obscurely 4-9-undulate-dentate or entire. Flowers yellow-green; pedicel glabrous. Sepals broadly subovate, 1.2-1.3 × 1.5-2 mm, apex obtuse or acute. Stamens 8; filaments ca. 1 mm. Ovary subinferior; styles ca. 0.8 mm. Disc distinct. Capsule ca. 2.4 mm, apex subtruncate, retuse; carpels horizontal, subequal; rostrums ca. 0.8 mm. Seeds dark brown, subovoid, ca. 0.8 mm, papillose. Fl. and fr. May-Jun.

SE Sichuan (Nanchuan Xian).

* Rock clefts; 2000-2500 m.