Description from Flora of China
Shrubs to 5 m tall, climbing. Branches stellate tomentose, hairs rust-colored when dry. Petiole 5-10 mm; leaf blade elliptic to ovate-oblong, 5-15 × 2.5-6 cm, thinly leathery, abaxially stellate tomentose, secondary veins ca. 12 on each side of midvein, base cordate, apex acuminate. Inflorescences leaf-opposed or extra-axillary, cymose, 1-4-flowered. Flowers ca. 1.5 cm in diam., stellate pubescent. Petals purple to dark red, ovate, 8-12 × 6-7 mm, apex rounded. Stamens oblong; connectives apically truncate, glabrous. Carpels oblong; stigmas apically 2-cleft. Monocarp stipes 1-2 cm; monocarps ovoid-ellipsoid to sometimes globose, ca. 2 × 1-1.5 cm, not constricted between seeds, apex rounded; epicarp not spiny. Fl. Mar-Jun, fr. Jun-Oct.
Sparsely forested slopes; 400-1700 m. Hainan, Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Philippines, Thailand, Vietnam].