Chrysosplenium delavayi Franch.

Herbs 4.5-13 cm tall. Sterile branches arising from proximal cauline leaf axils. Stems glabrous. Cauline leaves with petiole 3-7 mm, brown papillose and pilose at axil; leaf blade broadly ovate or orbicular to flabellate, 2.2-15 × 3-16 mm, abaxially sparsely brown papillose, adaxially glabrous, base broadly cuneate, margin 7-12-crenate (teeth obscure, brown 1-papillate at apex), apex obtuse. Flower solitary or cyme 2-5-flowered, 1-1.4 cm; branches glabrous; bracteal leaves with petiole 2-5.6 mm, brown papillose near axil, leaf blade usually broadly ovate, 2-5 × 2.4-5 mm, abaxially (rarely adaxially) sparsely papillose, margin 6-9-crenate, teeth brown 1-papillate at apex. Flowers yellow-green, ca. 8.7 mm in diam.; pedicel 0.3-1.9 cm, glabrous. Sepals spreading, broadly suborbicular, 1.9-3 × 3-5 mm, margin sometimes overlapping, apex retuse, brown 1-papillate. Stamens 8, ca. 0.6 mm. Ovary subinferior; styles ca. 0.4 mm. Disc 8-lobed, surrounded by sparse, brown papillae. Capsule subtruncate and retuse at apex; carpels horizontal, subequal; rostrums ca. 0.4 mm. Seeds dark brown, ovoid, 0.7-1 mm, 13-15-sulcate, ridges with transverse lines. Fl. and fr. Mar-Jun.

SE Anhui (Ningguo Xian), ?Guangdong, Guangxi, Guizhou, Hubei, Hunan, ?Jiangsu, Sichuan, Taiwan, Yunnan [N Myanmar].

Forests, scrub, rock clefts in ravines; 400-2800 m.

Chrysosplenium holochlorum Ohwi; C. pumilum Franchet; C. subargenteum H. Léveillé & Vaniot.