BJBB 39: 346
Jongkind 6504 (WAG); Leeuwenberg 4711 (WAG)
A shrub or small tree, up to 15 m tall, common in secondary formations in the rainforest zone, ± similar to Harungana. The leaves are elliptic (H.: ovate, with rounded base); the latex is yellow (H.: orange). Leaves simple, opposite, elliptic – elliptic/lanceolate, obtuse-cuneate at base, acute/acuminate apex, with entire margin. Blade stellate-puberulous beneath, with black glands. Slash greenish-yellow, exuding a yellow latex. Flowers white; fruits round, yellowish, spotted.