Shrubs, 1-3 m tall. Branchlets grayish white, pilosulose. Leaves trifoliate; petioles 2-4.5 cm or longer, pilose; leaflets with petiolules 5-8 mm; blades adaxially blackish brown when dry, papery, abaxially with tufts of hairs in lateral vein axils, margin serrulate; terminal blade narrowly elliptic or lanceolate-elliptic, rarely ovate or broadly ovate, 5-15 × 2.5-4.5 cm, base cuneate, apex acuminate; lateral ones smaller, lanceolate-ovate or ovate, bilaterally slightly asymmetrical, base obtuse. Inflorescences racemose, main rachis unbranched, densely flowered, suberect or ascending, nearly as long as or slightly longer than petioles, pilose; peduncles 1-1.5 cm. Flowers small, 1-1.5 mm wide; bracts subulate, shorter than pedicels. Sepals glabrous. Petals broadly cuneate, ca. 1.5 mm; scales deeply 2-lobed, ciliate. Disk, bases of filaments, and ovary hairy. Fruit red, globose, 6-7 mm in diam. Fl. Aug-Sep, fr. Nov.

This species is used medicinally.

Forests, thickets. Guangdong, Hainan [N Vietnam].