Macaranga motleyana (Műll.Arg.) Műll.Arg.

(Small) trees up to ca. 25 m tall and 30 cm dbh, reproductive from 3 m tall and 6 cm dbh. Twigs hollow, ant inhabited, glabrous, usually glaucous, with small ant openings (ca. 1 mm diameter). Stipules broadly ovate, usually early caducous, recurved, not surrounding the twigs completely, 5-11 mm long and 4-10 mm wide. Petioles glabrous, up to ca. 32 cm long. Leaves alternate, peltate, rarely not-lobed, 3-lobed when reproductive, often 5-lobed in sapling stage, 17-35 cm long by 11-29 cm wide, length/width-ratio 1.11-1.55; secondary veins 11-17, ending in the margin; central lobe 6.5-18 cm long by 6-11 cm wide, lateral lobes 1-11 cm long; leaf base truncate (when 5-lobed) to broadly rounded (when not or 3-lobed), peltate margin length 2.3-6 cm; leaf margin with glands; leaf upper surface glabrous; leaf lower surface glabrous, sometimes glaucous, (not) or numerously gland dotted. Staminate inflorescences branched; flowers clustered per bracteole; bracteoles with fimbriate margin. Pistillate inflorescences branched; fruits 9-13 mm wide, 4-5(-6)-locular, one glandular patch per carpel wall.

Ecology: Collected up to ca. 500 m altitude. An early successional tree species found in disturbed sites in primary forest and in secondary forests.

Distribution: Indochina, Peninsular Thailand and Malaysia, Sumatra and Borneo. In Borneo it has been collected throughout the island.