Dioecious trees with short buttresses or stilt roots and contact dermatitis-causing exudates turning black with exposure to air. Leaves alternate, simple, petiolate, entire, papillose abaxially. Inflorescences terminal and/or axillary panicles, rarely fascicles. Flowers pedicellate, articulate, perigynous; perianth 5-parted; corolla imbricate, campanulate, white, yellow, or dark brown; petals pubescent ad- and abaxially; androecium haplostemonous; filaments distinct or lower part adnate to petals, densely pubescent; anthers dorsifixed; pistillode present or 0 in male flowers, very reduced; staminodes reduced; disk glabrous, rim-like, 4–5 lobed; carpels 3; style short; stigmas 3; ovule pendulous, apical to subapical. Drupe ellipsoid, ovoid, subglobose, depressed globose, oblong; adnate to base of hypanthium, subtended by an accrescent calyx; 1-locular; exocarp yellow, covered with rusty-brownish trichomes; mesocarp and endocarp with black resin. Seed cotyledons distinct; embryo straight.
Thirty species in Thailand, Sumatra, Peninsular Malaysia, and Borneo.
Original Publication: Melanochyla Hook.f., Fl. Brit. Ind. 2: 38 (1876)
Bibliography: Ding Hou, Fl. Males. I, 8: 490–499 (1978).