Shorea smithiana Sym., Gard. Bull. S. S. 9 (1938)
Named after ?

Description
Emergent tree up to 66 m tall and 164 cm dbh. Stem with resin. Stipules ca. 20 mm long. Leaves alternate, simple, penni-veined, with scales on petiole and lower surface, feeling like sand paper. Flowers ca. 26 mm in diameter, reddish, placed in panicles. Fruits ca. 21 mm long, green-brown, with three ca. 145 mm long wings, wind dispersed.

Ecology
In undisturbed mixed dipterocarp forests up to 300 m altitude. Mostly on ridges and hillsides with sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
The timber is used. The bark sometimes used as floor cover.

Distribution
Borneo (Sarawak, Brunei, Sabah, West-, South- and East-Kalimantan).

Local names in Borneo
Awang, Berat, Chempaga, Engkabang, Lempong merembong, Lempong tembaga, Mahambung, Meraka belong, Meranti rambai, Rambai, Seraya merah, Seraya timbau, Tengkawang rambai.