Gymnacranthera forbesii (King) Warb., Mon. Myrist. (1897)

Synonyms
Gymnacranthera crassinervis Warb.
Myristica crassinervis (Warb.) Boerl.
Myristica forbesii King

Description
Mid-canopy tree up to 38 m tall and 93 cm dbh. Stem with red sap. Stipules absent. Leaves alternate, simple, penni-veined, venation conspicuous, white below, glabrous. Flowers ca. 3 mm diameter, yellow-creamish, placed in small panicles. Fruits ca. 20 mm long, orange-red, fleshy, glabrous, dehiscent capsules. Seeds with completely divided yellow-orange-red aril.

Ecology
In undisturbed mixed dipterocarp and sub-montane forests up to 1200 m altitude. On hillsides and ridges with sandy to clay soils. In secondary forests usually present as a pre-disturbance remnant.

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

Local names
Borneo: Darah-darah, Kumpang, Kumpang semah, Lahu.