Durio lanceolatus Mast., J. Linn. Soc. Bot. 14 (1875)

Latin for 'lance-shaped', referring to the leaves.

Emergent tree up to 55 m tall and 114 cm dbh. Stipules present, but soon falling. Leaves alternate, simple, penni-veined, narrow shaped, undersurface golden-brown with large, clearly visible scales. Flowers ca. 38 mm in diameter, white-yellowish, with 2-3-lobed epicalyx, placed in many flowered cymes on branches below the leaves. Fruits ca. 70 mm long, yellow-orange, capsule with short spines, seeds completely enclosed by red-yellow, tasteless aril.

In mixed dipterocarp forests up to 800 m altitude. Growing on hillsides and ridges with sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

A principle source of durian timber.

Sumatra and Borneo (Sarawak, Brunei, Sabah, West-, Central- and East-Kalimantan).

Local names
Borneo: Bian, Dian perai, Durian, Durian anggang, Durian bengan, Durian burong, Durian pelanduk, Kelintjing, Lai, Lai bengan, Rian burung, Taula tongau.