Knema oblongata Merr., J. Straits Branch Roy. Asiat. Soc. 85 (1922)
Latin for 'elongate'.

Synonyms
Knema obovoidea Merr.

Description
Sub-canopy tree up to 24 m tall and 46 cm dbh. Stem with red sap. Stipules absent. Leaves alternate, simple, penni-veined, hairy below, whitish below. Flowers ca. 9 mm diameter, white-pinkish, placed in bundles. Fruits ca. 27 mm long, yellow-orange-brown, densely hairy, dehiscent capsules. Seeds with nearly undivided red aril.

Ecology
In undisturbed to slightly disturbed (open) mixed dipterocarp, keranga and sub-montane forests up to 1200 m altitude. On hillsides and ridges with sandy soils. In secondary forests usually present as a pre-disturbance remnant.

Distribution
Borneo (throughout the island).

Local names in Borneo
Darah-darah, Kumpang.