Description from Flora of China
Trees ca. 8 m tall; branchlets, inflorescences, and petioles densely tomentose, hairs stellate or verticillately branched. Leaf blade elliptic, oblong-elliptic, or ovate, 13-37 X 7-13 cm, leathery, abaxially densely yellow-brown stellate tomentose, adaxially dark green and shiny, base cuneate to rounded, margin entire. Cymes 6-11 cm across; peduncle 4-angled, longer than petioles. Calyx cup-shaped, truncate or nearly so, outside densely gray stellate tomentose. Corolla purple, ca. 3 mm. Stamens much longer than corolla. Ovary densely stellate tomentose. Fruit purple-brown, ca. 2 mm in diam. Fl. May-Jul, fr. Aug-Dec.
Mixed forests on mountain slopes; 1000-2500 m. Guangxi, SE Xizang, S Yunnan [Bangladesh, Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand, Vietnam].