Parkia timoriana (DC.) Merr., Philip. J. Sc. Bot. 5 (1910)
Latin for 'from Timor', an island in eastern Indonesia.

Synonyms
Acacia niopo Llanos, Inga timoriana DC., Mimosa peregrina Blanco, Parkia calcarata Gagnep., Parkia grandis Hassk., Parkia roxburghii G.Don.

Description
Upper canopy tree up to 43 m tall and 81 cm dbh. Stipules? Leaves alternate, compound, opposite, penni-veined, glabrous, small. Flowers ca. 2 mm diameter, green-yellow-brownish, placed in pear-shaped inflorescences hanging from long stalks. Fruits ca. 270 mm long, green, pods.

Ecology
In undisturbed mixed dipterocarp and sub-montane forests up to 1500 m altitude. On hillsides and ridges. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
Bark used as medicine against scabies, boils and abscesses. The pods (pounded with water) are used as shampoo. The seeds (boiled or roasted) are edible and used medicinally.

Distribution
From NE India and Burma to New Guinea. In Borneo collected in Sarawak, Brunei, Sabah and East-Kalimantan.

Local names in Borneo
Buah batar, Petai, Petai hutan, Timbarayong.