Trees to 15 m tall. Branchlets slender, pubescent. Leaves simple; petiole 0.5-1.5 cm, brownish pubescent; leaf blade narrowly elliptic or obovate-elliptic, 6-10 × 2-3 cm, thinly leathery, both surfaces brownish pubescent, densely so on midvein, lateral veins 7-11 pairs, slender, ascending, arched-anastomosing near margin, reticulate veins fine, base cuneate, slightly oblique, margin entire, apex acute or caudate-acuminate. Panicle terminal or axillary, brownish pubescent, 5-8 × ca. 3 cm, branched 2(or 3) times; lateral branches slender, near axis. Pedicel 0.5-2 mm, brownish pubescent; upper flowers subsessile; bracts 1-1.5 mm, densely brownish pubescent, ciliate. Flowers ca. 2 mm in diam. Sepals 5, ovate or suborbicular, 1-1.3 mm, outer one smaller and narrower. Petals white: 3 outer ones suborbicular, ca. 2 mm wide; 2 inner ones ca. 0.7 mm, bifid to middle and below; lobes linear, nearly parallel, apex ciliate. Fertile stamens ca. 1 mm. Disk cup-shaped, 5-crenate. Pistil ca. 1 mm; style ca. as long as ovary, apex 2-lobed. Fruit unknown. Fl. Jun-Jul, fr. unknown.

● Forests; ca. 2000 m. S Yunnan.