Description from Flora of China
Shrubs or small trees, 3-4(-10) m tall. Branchlets 4-angled, densely yellowish brown tomentose. Petiole 2.5-4.5 cm, densely pubescent; leaf blade ovate to broadly ovate, 11-16 6-10 cm, abaxially densely villous, adaxially strigose-minutely hirsute, both surfaces yellow to orange glandular dotted, base broadly cuneate to subtruncate, margin entire or subentire, apex acuminate. Inflorescences axillary, cymelike capitula; peduncle 3.5-13 cm; bracts persistent, elliptic to ovate, 1-3 cm, apex acuminate to caudate, pubescent, glandular. Calyx red, ca. 1.6 cm, membranous, deeply 5-lobed, outside puberulent, with several small and large glands, inside glabrous; lobes ovate-lanceolate, ca. 1.1 cm, acuminate. Corolla white, 1.8-3.5 cm; tube slender, outside puberulent and glandular, inside glabrous; lobes oblong, 6-8 mm. Stamens equal or slightly longer than style. Drupes enclosed in calyx, green when young, purple-black at maturity, subglobose, ca. 6 mm in diam. Fl. and fr. Jul-Nov.
Allied to Clerodendrum peii but differs in having densely yellow-brown tomentose branchlets, petioles, and peduncles, persistent bracts, and stamens and styles as long as corolla.
Bamboo or mixed forests on mountain slopes; 900-1900 m. NW Xizang, Yunnan [Bangladesh, Bhutan, India]