Description from Flora of China
Rapanea affinis (A. de Candolle) Mez.
Shrubs or trees 0.8-6 m tall. Branchlets subterete, 4-5 mm in diam., smooth, reddish glandular puberulent, trichomes 2- or 3-fid, glabrescent, lenticellate. Leaves subsessile; petiole marginate, 2-3 mm; leaf blade linear or narrowly elliptic, 2-4(-5.8) cm × 7-11 mm, leathery, densely areolate and punctate abaxially, base acute and decurrent, margin entire, apex acute to a blunt tip; lateral veins numerous, raised on both surfaces, marginal vein evident. Infloresecences 1-3-flowered; bracts ovate, ciliate. Flowers yellow, 4-merous, ca. 1 mm. Calyx lobes spreading, nearly free, ovate, ca. 0.5 mm, flat, glabrous, sparsely punctate, margin entire, ciliate, apex acute. Petals united at base, elliptic, 0.8-1 mm, glabrous, sparsely punctate, margin densely glandular granulose, apex rounded. Anthers ovate, puberulent. Ovary glabrous. Stigma terete or sausage-shaped. Fruit dull purplish red to black, globose, ca. 5 mm in diam., densely punctate, glabrous. Fl. Feb-Jun, fr. Jan-Feb.
Dense evergreen broad-leaved forests, shrubby areas, limestone hillside; 1000-1300 m. Hainan, Yunnan [Indonesia]