Description from Flora of China
Shrubs ca. 2 m tall. Flowering branchlets brown, 3-8 cm, 4-6-leaved, stellate hairy, hairs with papilliform base. Petiole 2-3 m; leaf blade abaxially grayish green, ovate-lanceolate or elliptic-lanceolate, 1-2.5 × 0.7-1.4 cm (basal ones broadly ovate and smaller), papery, abaxially densely 12-14-rayed stellate hairy, indumentum continuous, adaxially sparsely 4- or 5-rayed stellate hairy, veins in 3 or 4 pairs, base broadly cuneate, margin serrulate, apex acuminate. Cymes 2-4 × 2-4 cm, 9-12-flowered; pedicels slender, 0.5-1.5 cm, stellate hairy, hairs with papilliform base. Calyx tube ca. 3 × 3.5 mm, densely 8-12-rayed stellate hairy; lobes oblong-lanceolate, ca. 5 mm, membranous, midvein prominent. Petals induplicate, white or pink, obovate-elliptic, 8-10 × 5-6 mm. Outer stamens 4-6 mm; filaments 2-dentate at apex, teeth exceeding anthers; anthers stalked. Inner stamens shorter than outer ones; filaments obtuse or 2- or 3-lobed at apex; anthers borne at middle of filaments abaxially. Styles 3(or 4), subequaling stamens. Capsule gray, hemispheric, ca. 3 mm in diam. Fl. Jun-Jul, fr. Aug-Sep.
* Thickets; 2000-2500 m. Sichuan, Xizang.