Trees to 12 m tall, d.b.h. to 30 cm, most parts pubescent. Petiole 1-4 mm; leaf blade obovate-elliptic to obovate-oblong, 7.5-19 × 2.8-7 cm, membranous, secondary veins 7-9 on each side of midvein and inconspicuous on both surfaces, base rounded to broadly cuneate and sometimes slightly oblique, apex acuminate to shortly acuminate. Inflorescences axillary, 1-flowered; bracts lanceolate, ca. 3 mm. Flowers ca. 1 cm. Pedicel 1-1.4 cm. Sepals ovate-oblong, ca. 4 × 1.5 mm. Outer petals 2.5-5 × ca. 2 mm; inner petals ovate, ca. 9 × 5 mm, puberulent. Stamen connectives slightly elevated. Carpels 4-8, oblong, puberulent; ovule 1 per carpel; stigmas globose, glabrous. Fruiting pedicel 1.7-3.5 cm; monocarp stipes 0.9-2.1 cm; monocarps globose, ca. 7 mm in diam., glabrous, tuberculate. Seeds 1 per monocarp. Fl. May, fr. Jun.

● Mixed forests, scrub; 700-1500 m. SE Xizang, S Yunnan.