Nephelium maingayi Hiern, in Hook.f. Fl. Br. Ind. 1 (1875)
Named after A.C. Maingay [1836-1869], a British physician and plant collector.

Synonyms
Nephelium lappaceum var. maingayi (Hiern) Valet.

Description
Mid-canopy tree up to 33 m tall and 60 cm dbh. Stipules absent. Leaves alternate, compound, leaflets penni-veined, glabrous, venation strongly reticulate. Flowers ca. 2 mm diameter, green-yellow, placed in panicles. Fruits ca. 22 mm long, green-pink-red, drupes. Seeds with white aril.

Ecology
In undisturbed mixed dipterocarp, (peat)-swamp and sub-montane forests up to 1600 m altitude. Mainly in alluvial (swamps) sites and along rivers and streams. In secondary forests usually present as a pre-disturbance remnant.

Uses
The wood is used. The fruits are edible.

Distribution
Peninsular Malaysia, Sumatra, Borneo (throughout the island).

Local names in Borneo
Buah serait, Duku, Katiau, Mujau, Puda, Serait.