Croton oblongus Burm.f., Fl. Ind. (1768)
Latin for 'elongate'.

Description
Understorey tree up to 19 m tall and 26 cm dbh. Stipules very narrow, ca. 4 mm long. Leaves alternate, simple, penni-veined, glabrous, petiole with two conspicuous glands near the leaf base. Flowers ca. 3 mm diameter, greenish-white, placed in racemes with male flowers at the top and female flowers towards the base. Fruits ca. 5 mm long, greenish, dehiscent, warty, 3-lobed capsules.

Ecology
In undisturbed mixed dipterocarp and sometimes swamp forests up to 700 m altitude. Mostly on hillsides and ridges, sometimes alluvial. Usually on sandy soils, but also on clay and limestone. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
Firewood.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Java, Lesser Sunda Islands, Borneo (Sarawak, Brunei, Sabah, West-, Central- and East-Kalimantan), Philippines, Celebes, Moluccas, New Guinea.

Local names in Borneo
Bongis, Entupak, Langkan, Lia padang, Limpopomgoh, Nalop, Randang jagong.