Myristica smythiesii J.Sinclair, Gard. Bull. Sing. 23 (1968)

Description
Mid-canopy tree up to 34 m tall and 45 cm dbh. Stem with red sap. Stipules absent. Leaves alternat, simple, penni-veined, hairy. Flowers ca. 7 mm diameter, creamish, placed in panicles. Fruits ca. 47 mm long, green-brownish, short hairy, dehiscent capsules. Seeds with divided aril.

Ecology
In undisturbed mixed dipterocarp, keranga and mixed peat-swamp forests up to 700 m altitude. Mostly on hillsides and ridges, but also on alluvial sites along rivers and streams. On sandy to clay soils. In secondary forests usually present as a pre-disturbance remnant.

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

Local names
Borneo: Kumpang, Kumpang engkiong.