Macaranga beccariana Merr.

Small trees up to ca. 20 m tall and 15 cm dbh, reproductive from 3 m tall and 3 cm dbh. Twigs hollow, ant inhabited, glabrous, glaucous, with small ant openings (ca. 1 mm diameter). Stipules triangular, persistent, erect or spreading, 5-20 mm long by 3-7 mm wide. Petioles glabrous, glaucous, up to 38 cm long. Leaves alternate, peltate, 3-lobed, 13-32 cm long by 10-30 cm wide, length/width-ratio 0.75-1.57; secondary veins 8-13, ending in the margin; central lobes 10-23 cm long by 3.8-9 cm wide, lateral lobes 9.5-22 cm long; leaf base rounded, peltate margin length 2-4 cm; leaf margin with glands; leaf upper surface glabrous; leaf lower surface glabrous to rarely hairy on veins, usually glaucous, not to sparsely gland dotted. Staminate inflorescences branched; flowers clustered per bracteole; bracteoles with fimbriate margin. Pistillate inflorescences branched; fruits 5-6 mm wide, 3-locular, each carpel wall with glandular patch.

Ecology: Collected up to ca. 850 m altitude. An early successional tree species, found on disturbed sites in primary forest (gaps) and secondary forest.

Distribution: Endemic for Borneo, where it has been collected in Sarawak, Brunei, Sabah, West-, Central- and East-Kalimantan.