Horsfieldia grandis (Hook.f.) Warb., Mon. Myrist. (1897)
Latin for 'large'.

Synonyms
Myristica grandis Hook.f., Myristica rubiginosa King

Description
Understorey tree up to 19 m tall and 31 cm dbh. Stem with red sap. Stipules absent. Leaves alternate, simple, penni-veined, densely hairy below. Flowers ca. 2 mm diameter, green-yellow, placed in panicles. Fruits ca. 13 mm long, orange, glabrous, dehiscent capsules. Seeds with undivided orange aril.

Ecology
In undisturbed to slightly disturbed (open) mixed dipterocarp and swamp forests up to 300 m altitude. Common along rivers and streams, but also on hillsides and ridges. On clay to sandy soils. In secondary forests usually present as a pre-disturbance remnant.

Uses
The wood is locally used to carve rice-field (padi) guards. The sap is used to treat broken lips and mouth ulcers. Fruits said to be edible after beating.

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

Local names in Borneo
Dara-dara, Kumpang, Kumpang api, Pendarahan.