Engelhardia serrata Blume, Fl Jav. Jugl. (1829)
Latin for 'toothed', referring to the leaf margin.

Synonyms
Engelhardia nudiflora Hook.f., Engelhardia nudiflora var. crenata Hook.f. ex Gamble, Engelhardia palembanica Miq., Engelhardia parvifolia C.DC., Engelhardia permicrophylla Elmer

Description
Emergent tree up to 52 m tall and 88 cm dbh. Stipules absent. Leaves alternate, compound, penni-veined, glabrous to hairy, margin of leaflets toothed. Flowers ca. 2 mm diameter, greenish, catkin-like. Fruits ca. 38 mm long, green-yellow-brown, hairy nuts with leaf-like wings.

Ecology
In undisturbed mixed dipterocarp, keranga and sub-montane forests up to 1700 m altitude. On ridges and alluvial sites, usually on poor sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
The wood is locally used.

Distribution
Burma, Indo-China, Thailand, Peninsular Malaysia, Sumatra, Java, Borneo (throughout the island), Philippines, Celebes, Moluccas.

Local names in Borneo
Canaga, Entoli, Momon, Tambun rangas.