Description from Flora of China
Vaccinium piliferum (J. D. Hooker) Sleumer.
Trees to 5 m tall or large, epiphytic shrubs. Twigs barely angled, 1–1.5 mm in diam., glabrous. Leaves scattered; petiole 4–6 mm, glabrous or glandular pilose; leaf blade drying blackish, elliptic, 4.5–6.5 × 1.5–2.8 cm, thinly leathery, glabrous, secondary veins 3–5 pairs, barely evident, base rounded, margin plane, entire, without basal glands, apex slenderly caudate-acuminate. Flowers axillary, fasciculate, 1–4-flowered. Pedicel filiform, 1.5–2 cm, densely spreading glandular pilose, slightly thickened upwards. Calyx tube green, ca. 1 mm; limb ± divided; lobes triangular, ca. 0.5 mm. Corolla green, shortly campanulate, 5–7 mm, glabrous; lobes oblong, apex acute. Filaments ca. 0.5 mm, glabrous; anthers ca. 3 mm, tubules ca. 1.5 × as long as thecae, with spreading spurs. Berry reddish to blackish, globose, 3–4 mm in diam., glabrous. Fr. Nov.
Open forests, river banks in forests, sometimes epiphytic; 1200–1500 m. SE Xizang, NW Yunnan (Dulongjiang) [NE India (Khasi hills), Myanmar].