Scaphium macropodum (Miq.) Beumee ex Heine, Nutt. Pl. Ned. Indie ed. 2 (1927)

Synonyms
Carpophyllum macropodum Miq.
Firmiana borneensis Merr.
Scaphium borneense (Merr.) Kosterm.
Sterculia macropoda (Miq.) Hook. ex Kloppenb.

Description
Upper canopy tree up to 41 m tall and 87 cm dbh. Leaves alternate, simple, tripli-veined, usually glabrous, leaf base sometimes cordate. Young trees with palmately-lobed leaves, number of leaf lobes is reduced when tree ages (adult trees with unlobed leaves). Flowers ca. 5 mm diameter, white-yellow, placed in panicles. Fruits ca. 207 mm long, green-yellow-brown, winged nuts (nut ca. 22 mm long), wings boat-shaped.

Ecology
In undisturbed mixed dipterocarp, (peat)-swamp and sub-montane forests up to 1200 m altitude. Usually on hillsides and ridges. In secondary forests usually present as a pre-disturbance remnant.

Uses
The wood is used for furniture. The seeds are used to treat diarrhea, dysentery and asthmatic complaints.

Distribution
Cambodia, Thailand, Peninsular Malaysia, Sumatra and Borneo (throughout the island).

Local names
Borneo: Berempayang, Kambang sulih, Kembang semangkok, Payang karang.