Stems sparsely strigose when young, glabrescent. Leaf blade elliptic, 5.5-10.6 X 2.2-4.9 cm, glabrous or sparsely strigose along petiole and midvein abaxially, base cuneate to obtuse, apex acuminate; lateral veins 5-10 pairs. Inflorescences terminal panicles 5.3-8 cm. Pedicel 3-10 mm. Calyx with several basal glands inside margin of sepals; sepals linear, 1-1.5 cm, pubescent, with narrow colleters at corners. Corolla white, glabrous at throat, tube 6.7-12 mm; lobes narrowly elliptic, acuminate, 5-11 X 1.8-2.6 mm. Stamens inserted in corolla tube 2-2.8 mm from base; disc narrow at top, 5-dentate. Ovary pubescent. Follicles un-known.

Forests. Guizhou [Myanmar, Thailand].