Pentaspadon motleyi Hook.f., Trans. Linn. Soc. 23 (1860)

Named after J. Motley [?-1859], an English plant collector who worked in Borneo.

Nothoprotium sumatranum Miq.
Pentaspadon officinalis Holmes ex King
Pentaspadon minutiflora B.L. Burtt
Pentaspadon moszlowskii Laut.
Rhus novoguineensis Laut.

Emergent trees up to 51 m tall and 70 cm dbh. Stipules absent. Leaves alternate, compound, penni-veined, usually with domatia. Flowers ca. 4 mm in diameter, cream, placed in panicles. Fruits ca. 40 mm long, fleshy drupe.

In undisturbed forests up to 200 m altitude. Mostly in swamps, periodically inundated areas and along rivers on sandy to clayey soils. In secondary forests usually present as a pre-disturbance remnant.

The timber is non-durable and only used for cheap flooring. The sap is used as an oil against skin diseases. The fruits are edible (fresh or roasted).

Peninsular Malaysia, Sumatra, Borneo (Sarawak, Brunei, Sabah, West-, South- and East-Kalimantan), Moluccas, New Guinea and the Solomon Islands.

Local names
Borneo: Djuping, Empit, Empelanjau, Kedondong, Letjut, Panjau, Pelajau, Peladjau, Pelasit, Pilajau, Plajau, Planjau, Polajo, Praju, Tampison, Umpit, Vpie.