Trees to 12(--20) m tall, evergreen, many parts rusty strigose. Branchlets brown, glabrescent. Winter buds ovoid, apex acute. Petiole 5--8 mm; leaf blade obovate, 4--10.5 X 2--4 cm, thickly papery, glabrescent except for abaxially densely strigose midrib and margin, drying abaxially pale gray and adaxially dark gray, base broadly cuneate to cuneate, margin narrowly but distinctly revolute, apex acuminate, lateral veins ca. 8 pairs, reticulate veinlets lax and indistinct. Male flowers in 3--7(or more)-flowered cymes, to 1.5 cm; pedicels ca. 2 mm, densely reddish brown pubescent to tomentose; calyx deeply divided, densely gray to pale yellow appressed pubescent; calyx lobes 4, ovate, 2.5--3 X ca. 1.8 mm, apex subacute; corolla white, acute in bud, urn-shaped, tube 6--7 mm, outside densely pubescent, lobes 4 and ca. 2 X 1.5 mm. Female flowers not seen. Fruit solitary. Fruiting pedicel ca. 4 mm, slightly reflexed. Fruiting calyx outside more densely hairy; lobes 4, lanceolate, 8--10 X ca. 5 mm, apex acute. Berries globose, ca. 8(--20) mm, glabrescent. Fr. Nov.

Thickets, mixed forests; 900--1600 m. Yunnan (Xishuangbanna Daizu Zizhizhou) [Thailand].