Santiria laevigata Blume

Tree, 15-30(-45) m by 25-70(-more than 100) cm, often with buttresses. Branchlets ¼-1½ cm thick, glabrous, thin-hairy when young; pith without or with up to 20 scattered vascular strands; terminal bud ½-2½ cm long. Leaves 1-6-jugate, glabrescent, beneath sometimes aprsely hairy on midrib and nerves; base not rarely somewhat oblique; apex acutely to bluntly short-acuminate. Petioles 3-18(-22½) cm, channelled at the base to terete. Leaflets ovate to oblong, 5-26(-35) by 2-8(-11) cm, glabrous or sometimes tomentose on the midrib underneath; base rounded to cuneate; apex acutely short-acuminate; midrib and nerves (rather) prominent underneath, nerves 8-22 pairs (angle 70-90°), straight, curving and usually arching near the margin. Panicles axillary, pubescent when young, ♂ ones 4-37 cm, branches up to 18 cm, female ones (2½-)5-27 cm, branches up to 12 cm. Flowers 2 mm long, subglabrous. Calyx 0.5-0.75 mm high. Filaments adnate to the disk. Disk cupular. Pistil in ♂ flowers very small. Fruits obliquely globular (to oblong), (1-)1.25-2 by (0.75-)1.25-2 cm, stigma up to 90° excentric.

An emergent tree in undisturbed forests at elevations up to 800 metres. Usually in mixed dipterocarp forest, but also found in swamp and keranga forest. Mostly on hillsides with sandy soils.

Uses. The timber is used for posts and planks, and for chopping-knife handles. The fruits are edible.

Can be grown by seedlings.