Jackiopsis ornata (Wall.) Ridsdale, Blumea 25 (1979)

Synonyms
Jackia ornata Wall.
Zuccarinia ornata (Wall.) Spreng.

Description
Upper canopy tree up to 43 m tall and 86 cm dbh. Stipules surrounding the twigs, with long pointed tips along the margin. Leaves opposite, crowded at twig tips, simple, penni-veined, glabrous to hairy. Flowers ca. 4 mm diameter, white-pinkish, placed in panicles. Fruits ca. 18 mm diameter, green-yellow-red, 3-winged nutlet.

Ecology
In undisturbed (peat)-swamp and mixed dipterocarp forests up to 400 m altitude. In swamps and along rivers. On sandy soils. In secondary forests usually present as a pre-disturbance remnant.

Uses
The wood is used.

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

Local names
Borneo: Nyabau, Seluma, Selumar, Ulin air, Ulin paya.