Dipterocarpus lowii Hook.F.

Twig, midrib and nerves below +-densely +-caducously shortly pale golden-yellow pubescent. Twig 2-3 by 5-10 mm ø, compressed, with broad swollen stipule scars. Leaf bud c. 1.5 by 0.9 cm, broadly conical, frequently falcate, obtuse. Stipule to 4 by 3 cm, broadly deltoid, acute. Leaves 15-20 by 6-10 cm, ovate-lanceolate, thickly coriaceous, strongly folded between the 15-20 pairs of prominent nerves; margin revolute; base obtuse or cordate; apex obtuse or with to 6 mm long narrow acumen; petiole 1.5-3 cm long, stout, often wrinkled on drying. Raceme to 3 cm long, short, stout, terminal or axillary, terete, simple or singly branched, flowers distichous; bracteoles to 15 by 10 mm, elliptic to ovate, subacute, densely shortly pubescent outside, puberulent within, fugaceous. Flower bud to 4 by 1.2 cm. Calyx densely golden-yellow pubescent, wings prominently undulate. Corolla typical. Stamens c. 30, shorter than the style; filaments short; anthers narrowly oblong; appendage to connective somewhat shorter than anther, stout at base, tapering. Ovary ovoid-conical, tapering, densely pubescent; stylopodium narrowly cylindrical, pubescent, tapering to the somewhat shorter glabrous filiform style. Fruit calyx glabrescent, tube c. 4 cm long and Ø (including wings), globose, completely hidden by the intricate folds of the 5 wings; 2 longer calyx lobes to 14 by 3.5 cm, broadly oblong, obtuse, somewhat revolute, hardly constricted at the base, concurrent with the wings of the tube, with one long median nerve and two shorter laterals; 3 shorter lobes 1.5-2 by 2 cm, broadly ovate, recurved and concurrent with the wings.

Well-drained, leached, usually sandy soils, in lowlands, especially on islands and near present and former coastlines on low hills at elevaions to 400 metres. It is locally common on ultrabasic soils.

Can be grown by seedlings.