Intsia palembanica Miq., Fl. Ind. Bat., Suppl. 107 (1860)
Species name meaning 'from palembang', a place in Sumatra where it was once collected.
Afzelia bakeri Prain
Afzelia palembanica (Miq.) Baker
Intsia bakeri (Prain) Prain
Intsia plurijuga Harms
A medium-sized or large tree up to 50 m tall, bole branchless for up to 22 m and up to 150 cm in
diameter; leaves with (3-)4(-7) pairs of leaflets, leaflets thickly leathery and glossy with a
rounded or broadly cuneate base and a blunt to emarginate apex, 8-13.5 cm x 4-10.5 cm; flowers
pale yellowish. Pods oblong, rarely obcordate, straight or falcate, flattened, glabrous, dehiscent,
2-valved (valves leathery or slightly woody), often 3-(or more-)seeded.
Tree up to 45 m (rarely more) high and 4 m (once recorded) in diam.; buttresses up
to 7 m high, extending outwards 6 m, 30 cm thick. Leaves 4-jugate, rarely associated
with some 2-, 3-, or 5-jugate; petiole and rachis (3.5-)9.5-17.5(-26) cm, both puberulous,
glabrescent. Leaflets ovate, elliptic, sometimes broad-ovate or -elliptic, or suborbicular,
rarely obovate or lanceolate, (3-)10-13.5(-18.5) by (3-)5-7.5(-10.5) cm;
apex obtuse or rounded, sometimes slightly notched, (shortly) acuminate; base obtuse,
rounded, cuneate, rarely slightly truncate or subcordate, often somewhat asymmetric;
nerves 6-10 per side; petiolules 2-5 mm. Inflorescences up to c. 10 cm long, pubescent,
glabrescent; pedicels 3-12 mm. Hypanthium 3-4 mm long. Calyx lobes (broadly)
elliptic, ovate, or slightly obovate, 6-8(-12) by 3-6.5(-8) mm. Petal: limb 3-6(-10)
by 3-6.5(-8) mm; claw 2-5 mm long. Fertile stamens: filaments 2-4 cm; anthers c. 3
mm long; staminodes 4-10 mm. Ovary 5-6 mm long; style 2-3.5 cm. Pods 15-19
(-40) by 5.5-7(-9) cm. Seeds 3-4.5 by 1.5-3 cm, 0.5-1.2 cm thick. [from Flora Malesiana]
Widespread, in coastal regions, edges of seasonal swamps, on inundated lands, locally common
to very common, in lowland primary or older secondary forests, sometimes on sandstone and
limestone hills, from sea level up to 1000 m altitude.
From India and Indochina to New Guinea, but apprently absent from Java.
The main source of merbau timber. Young seeds are sometimes eaten. A dye is obtained from the
bark and wood. Bark and leaves are used medicinally.
Indonesia: ipi, ipil (general), maharan (Kalimantan).
Malaysia: anglai, alai (Peninsular).
Papua New Guinea: kwila.
Philippines: ipil (general).
Thailand: lumpho, mue-ba (peninsular), salumpho (south-eastern).