Leaves 2-pinnate; leaflet blade margin entire. Axillary cymes (1--)3--5(--9)-flowered. Sepals lanceolate or oblong-lanceolate, 1.6--2 × 0.35--0.8 cm, apex attenuate. Anthers oblong or narrowly so, 1.2--1.8 mm long, apex obtuse. Achenes narrowly ovate or narrowly elliptic, ca. 5 × 2.2--2.8 mm, slightly marginate. Fl. Jun--Sep.

* Forests, scrub, often by streams; 800--1500 m. Fujian, Guangdong, Guangxi, Guizhou, W Hunan, S Jiangxi, S Yunnan, S Zhejiang.