Ventilago oblongifolia Bl.

Shrubs scandent. Annual branches pilose, glabrescent. Petiole 2-3 mm, glabrous or sparsely pilose adaxially; leaf blade narrowly elliptic to oblong, 6-12 × 2-4 cm, papery, both surfaces glabrous except for clustered hairy vein axils abaxially, lateral veins 4-6 pairs, prominent abaxially, slightly impressed adaxially, base rounded to broadly cuneate, often slightly asymmetric, margin crenulate, apex long acuminate or caudate-acuminate. Flowers very small, 1-1.5 mm in diam., numerous in terminal cymose racemes or cymose panicles, ca. 20 cm; peduncles, pedicels, and flowers densely pilose. Calyx tube shallowly cup-shaped; sepals triangular, ca. 1 mm, adaxially distinctly keeled. Petals obovate, ca. 1 mm. Ovary hairy; styles 2-cleft to half. Drupe 5.5-7 cm, wings 1-1.2 cm wide, densely puberulent, surrounded by persistent calyx tube at base; fruiting pedicel 2-3 mm, puberulent; stone 1-loculed, 1-seeded. Fl. Jun, fr. Dec.

Forests, often climbing on trees. Guangxi, Yunnan [Indonesia, Malaysia, Philippines, Thailand].