Aspidopterys tomentosa (Blume) A.Juss., Ann. Sci. Nat., Bot. II, 13: 267 (1840)

Synonyms
Aspidopterys andamanica Hutch.
Aspidopterys concava var. helferiana (Kurz) Nied.
Aspidopterys costulata Pierre
Aspidopterys helferiana Kurz
Aspidopterys tomentosa Pierre [Illegitimate]
Hiraea tomentosa Blume
Ryssopterys tomentosa Blume ex A.Juss.

Description
Woody lianas; branchlets yellow-brown tomentose. Petiole 2-3 cm, densely yellow tomentose; leaf blade orbicular-obcordate or obovate-obcordate, 6-11 x 7-12 cm, thickly papery to papery or thinly leathery, abaxially yellow tomentose, adaxially glabrous, base rounded or shallowly cordate, apex cuspidate or retuse-acuminate. Panicles axillary, shorter than or equaling leaves, densely yellow-brown pubescent; pedicels slender, 5-10 mm, articulate proximally. Sepals oblong, ca. 1.5 mm, apex obtuse, ciliate. Petals white or yellowish, obovate-oblong, to 5 mm, glabrous. Ovary 3-lobed, glabrous. Samara oblong or suborbicular, 2-2.5 cm, apex retuse, abaxial wing ca. 3 mm wide. [from Flora of China]

Ecology
Forests of higher-elevation hills, sparse forests or shrub forests of valleys or mountains; 600-1600 m.

Distribution
From Southern China and Hainan into mainland SE Asia, Sumatra, Borneo and Java.

Local names
China: Dao xin dun chi teng.