Neesia synandra Mast. in Hook.f., Fl. Brit. Ind. 1 (1874)

Latin for 'with fused male parts'.

Emergent tree up to 62 m tall and 105 cm dbh. Stipules present, falling off. Leaves alternate, simple, penni-veined, very large with emarginate tip. Flowers ca. 15 mm in diameter, yellowish, with 3-lobed epicalyx, placed in small cymose bundles on older branches. Fruits ca. 175 mm long, glaucous purple, capsule with very short spines, filled with irritating hairs, and shiny black seeds.

In mixed dipterocarp forests up to 800 m altitude. Growing in swamps, along rivers and on hillsides and ridges on clayey to sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

Thailand, Peninsular Malaysia, Sumatra and Borneo (Sarawak, Sabah, Central- and East-Kalimantan).

Local names
Borneo: Bengang, Durian ha-ha, Durian munyit.