Walsura pachycaulon T.P.Clarck, Blumea 38 (1994)

Latin for 'thick stem'.

Mid-canopy tree up to 37 m tall and 104 cm dbh. Twigs sometimes hollow and ant inhabited. Stipules absent. Leaves alternate, compound, leaflets penni-veined, glabrous. Flowers ca. 8 mm diameter, green-yellowish, placed in large panicles. Fruits ca. 28 mm diameter, green-yellow, berries.

In undisturbed mixed dipterocarp forests up to 400 m altitude. Usually on hillsides and ridges, but also common on alluvial sites. On sandy soils. Sometimes ant inhabited hollow twigs. In secondary forests usually present as a pre-disturbance remnant.

The fruits are edible.

Borneo (Sarawak, Sabah, East-Kalimantan).

Local names
Borneo: Darah-darah, Lantopak, Sibau belaban.