Aspidopterys nutans (Roxb.) A. Juss. in Ann. Sci. Nat. Bot. ser. 5. 13: 267. 1840; Hook. f., Fl. Brit. India 1: 421. 1874 p.p. Hiraea nutans Roxb., Fl. Ind. 2: 448. 1824.

Climbers; branches grey or brownish silky-tomentose. Leaves ovate, elliptic or orbicular, obtuse or rounded at base, not cordate, acuminate at apex with broad-based acumen, 7 - 19 (-25) x 2.5 - 9 cm, silky-pubescent beneath, rusty-tomentose with thin long hairs on nerves. Panicles 14 - 30 cm long, lax. Flowers ca 8 mm across; pedicels ca 3 mm long in buds, 1.5 - 1.9 cm long in fruits, rusty-tomentose, articulate slightly above middle at 8 - 10 mm from base. Calyx lobes ovate, ca 1 x 0.5 mm, glabrous or glabrescent. Petals obovate, 4 - 5 x 2 - 2.5 mm, white. Filaments ca 1.5 mm long; anthers ovoid, ca 1 mm long. Ovary villous. Samara wings elliptic to orbicular-oblong, slightly narrow above, retuse at apex, 3 - 4 x 2 - 3 cm, brown; carpophore 2 - 2.5 mm. long.

Fl. & Fr. June - Oct.

Distrib. India: At ca 675 m. W. Bengal, Sikkim, Assam and Meghalaya.

Bangladesh, Myanmar, Cambodia, Laos and Thailand.