Macaranga hosei King ex Hook.f.

Tree up to ca. 30 m tall and 45cm dbh, reproductive from 4 m tall and 5 cm dbh. Twigs starting out solid, after ant colonization (usually in sapling stage) hollow, glabrous, sometimes glaucous, with small ant openings (ca. 1 mm diameter). Stipules (broad ovate to) rounded, persistent, usually perpendicular to the twig, usually (almost) completely surrounding the twig, 9-21 mm long by 10-20 mm wide. Petioles glabrous, up to ca. 30 cm long. Leaves alternate, usually not peltate, 3-lobed, 10-24 cm long by 14-34 cm wide, length/width-ratio 0.65-0.82; secondary veins 7-18, ending in the margin; central lobe 4.5-16 cm long by 5.5-12 cm wide, lateral lobes 3.5-13 cm long; leaf base broadly cordate (usually also when peltate), peltate margin length (when present) 0.3-1.8 cm; leaf margin with glands; leaf upper surface glabrous; leaf lower surface usually densely hairy (short simple hairs), densely gland dotted. Staminate inflorescences branched; flowers clustered per bracteole; bracteoles with fimbriate margin; Pistillate inflorescences branched; fruits 5-6 mm wide, 2-locular, covered with yellow sticky glandular exudates.

Ecology: Collected up to ca. 600 m altitude. An early successional tree species found in disturbed sites in primary forest and in secondary forests.

Distribution: Peninsular Thailand and Malaysia, Sumatra and Borneo. In Borneo it occurs in Sarawak, Brunei, Sabah, West-, Central- and East-Kalimantan.