Dacryodes incurvata (Engl.) H.J. Lam, Ann. Jard. Bot. Btzg. 42 (1932)

Synonyms
Canarium angulatum Ridl.
Canarium incurvatum Engl. in DC
Canarium nitens Merr.
Dacryodes angulata H.J. Lam
Hemisantiria nitida H.J. Lam in Merr.
Santiria nitida Merr.

Diagnostics
Upper canopy tree up to 43 m tall and 58 cm dbh. Leaves alternate, compound, penni-veined, strongly swollen petiole base and tip, petiole glabrous. Flowers ca. 7 mm diameter, white, placed in panicles. Fruits ca. 21 mm long, yellow-orange, fleshy drupe.

Description
Tree 10-43 m by 25-100 cm, buttresses 1-2 m high. Branchlets 2.5-5 mm thick, pubescent to glabrous; pith with some to many, rarely without vascular strands. Leaves 1-4-jugate. Petioles (3.5-)4.5-8.5(-15.5) cm, usually strongly flattened at the base, pubescent, glabrescent, pith with some to many vascular strands. Leaflets lanceolate or elliptic to oblong, 4-22 by 2-9.5 cm, rigidly pergamaceous, glabrous; base (subcordate to) rounded (to cuneate); apex usually rather abruptly, shortly and bluntly acuminate; nervation prominent beneath, nerves (6-)8-18 pairs (angle 60-90 degrees), sinuous, curved; faintly arching near the margin. Panicles terminal, sometimes with additional axillary ones, often branched from the base, male ones 3-17 cm, female ones 8-21 cm. Flowers 2-4 mm, densely minutely tomentose. Calyx 1-1.25 mm high. Filaments free from the disk or slightly confluent with it. Disk cupular, 6-lobed. Ovary tomentose, pistil in male flowers strongly reduced. Fruits ovoid, sometimes oblique, (1.5-)1.75-2.75 by 0.75-1.75 cm, acute at the apex, rounded at the base. Cotyledons contortuplicate, palmatifid (?). [from Flora Malesiana]

Ecology
In undisturbed forests up to 900 m altitude. Found in mixed dipterocarp forest, keranga and swamps, usually on sandy soils.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Borneo, Philippines, Celebes, New Guinea.

Uses
Wood: general or temporary construction, utility furniture.

Local names
Borneo: Bumbun, Jelmu pipit, Kedongdong, Kembajau, Malinas, Pongaluwon, Pudauling, Rawai, Resak merkujung, Tokol gunung, Unggit-unggit, Ungit.
Malaysia: kedondong, kedongdong kerut, kedongdong matahari, kerantai.
Philippines: alupug-matsing, kamingi, korig (or kurig), mayagyat (Tag.), bauli, (Sul.), kuragal, (Sbl.), sayong, (P.Bis).
Riouw-Lingga: resak paja.
Sumatra: Balan pelapah, bantan burung, kedondong kidjai, sau.