Description from Flora of China
Pygeum andersonii J. D. Hooker, Fl. Brit. India 2: 320. 1878; Prunus pygeoides Koehne; P. semiarmillata Koehne.
Trees, rarely shrubs, to 6 m tall. Branchlets brown to grayish brown, glabrous. Petiole 0.7–1.5 cm, glabrous; leaf blade oblong to ovate-oblong, 6–16 × 2–4 cm, thinly leathery, both surfaces glabrous, base broadly cuneate to subrounded and with 1 to several small nectaries per side, margin sparsely and shallowly serrulate and teeth with a black apical gland, apex acute to shortly acuminate; secondary veins 8–12 on either side of midvein, slightly prominent. Racemes axillary, solitary, 2–5 cm, several to 10-flowered or more; rachis glabrous; bracts to 2 mm, soon caducous, basal ones often sterile and with a tridentate apex. Flowers 3–5 mm in diam. Pedicel 3–6 mm, glabrous; bracteoles present at base of pedicel. Hypanthium campanulate, outside glabrous. Sepals triangular, 1–2 mm, outside glabrous, apex obtuse. Petals white, elliptic, slightly longer than sepals, puberulous. Stamens 25–30, 2–3 mm. Ovary glabrous, slightly shorter than stamens. Drupe globose to compressed globose, 7–10 × 8–10 mm, glabrous; endocarp glabrous, inconspicuously reticulately rugose. Fl. Jul–Aug, fr. winter.
Rocky forested slopes, ravines; 900--1500 m. SE Yunnan [India].