Description from Flora of China
Shrubs or trees, 1-5(-7) m tall. Stems 4-sided or obtusely 4-sided; branchlets numerous, densely appressed squamose strigose. Petiole 1.8-6.5 cm; leaf blade broadly ovate to broadly elliptic, 8-21 × 5.5-13.5 cm, stiffly papery, abaxially puberulous and squamose strigose, adaxially strigose and puberulous only, secondary veins (2 or)3 on each side of midvein, tertiary veins numerous, parallel, and conspicuous, base rounded to cuneate, margin entire and appressed ciliate, apex acute. Inflorescences terminal, corymbose, ca. 12-flowered, with 2 leaflike bracts at base. Pedicel 3-12 mm, squamosly strigose; bracteoles very small or absent. Hypanthium 2-2.3 cm, densely squamose strigose. Calyx lobes ovate-lanceolate 1.1-1.3 cm, caducous, inside densely strigose, margin ciliate, apex acuminate. Petals pink to red, obovate, ca. 2 × 1.5 cm, margin densely ciliate, apically oblique, apex rounded. Longer stamens with connective long extended at base, curved, apex bifid. Shorter stamens with connective not extended, 2-tuberculate at base. Ovary half inferior, apex densely bristly. Fruit urceolate-globular, ca. 1.3 × 0.9 cm, succulent, densely squamose strigose. Fl. Jun-Jul, fr. Feb-Mar or Dec.
Dense broad-leaved evergreen forests, moist places; 100-1500 m. SW Guangxi, Xizang (Mêdog), SE Yunnan [Cambodia, India, Laos, Malaysia, Myanmar, Thailand, Vietnam].