Pertusadina eurhyncha (Miq.) Ridsdale, Blumea 24, 2 (1978)

Latin for 'with long beak'.

Adina minutiflora Val.
Adina rubescens Hemsl.
Nauclea oxyphylla Miq.
Uncaria eurhyncha Miq.

Emergent tree up to 64 m tall and 140 cm dbh. Stipules ca. 7 mm long, tip with two points, dropped early. Leaves opposite, simple, penni-veined, glabrous to hairy. Flowers ca. 2 mm diameter, yellow, with corolla tube, placed in globose flower head. Fruits ca. 8 mm diameter, greenish, composed of fused carpels.

In undisturbed to slightly disturbed (open) mixed dipterocarp and swamp forests up to 900 m altitude. Usually on hillsides and ridges with sandy soils. In secondary forests usually present as a pre-disturbance remnant.

Wood for general construction and as Firewood. Stems used as pillars.

Peninsular Malaysia, Sumatra, Borneo (Sarawak, Brunei, Sabah, East-Kalimantan).

Local names
Borneo: Empopor, Kaliwayu, Kayu luang, Kepapa laut, Mengkaniab, Tandok.