Lophopetalum glabrum Ding Hou, Fl. Mal. I, 6 (1962)

Latin for 'glabrous'.

Sub-canopy tree up to 21 m tall and 40 cm dbh. Stipules dropped early. Leaves opposite, simple, penni-veined, tertiary venation horizontal. Flowers ca. 4.7 mm in diameter, yellow-orange, placed in panicles. Fruits ca. 69 mm long, green-red-brown, dehiscent capsules containing several wind dispersed, winged seeds (wing surrounding the seed completely).

In mixed dipterocarp forests up to 700 m altitude. Usually on hillsides and ridges with clayey to sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.


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

Local names
Borneo: Bajan, Bantas, Perupok.