Aglaia laxiflora Miq., Ann. Mus. Bot. Lugd. Bat. 4 (1868)

Latin for 'with spread out flowers'.

Tree up to 27 m tall and up to 67 cm in diam. Bark light grey with numerous orange-brown depressions and scalloped pattern; inner bark reddish-pink, laminated; sapwood whitish-pink, with tiny rays. Twigs with small pale brown stellate scales densely covering the apex. Leaves up to 60 cm long and 48 cm wide; petiole up to 11 cm, petiole, rachis and petiolules with numerous scales like those on the twigs. Leaflets 11-14, 5-24 by 2-8 cm, acuminate at apex, usually cuneate, sometimes rounded at the base, with few to numerous scales like those on the twigs on the midrib below and few on the rest of that surface; veins 8-15 on each side of the midrib, the reticulation subprominent above and below; petiolules 5-7(-20) cm. Inflorescence up to 56 cm long and 40 cm wide; peduncle up to 14 cm, the branches slender and widely spaced giving the inflorescence a lax appearance, peduncle, rachis and branches with numerous scales like those on the twigs, more densely covering the distal branches. Flowers 1.1-1.2 mm long, 1.2-1.3 mm wide; pedicels 0.7-1 mm, with occasional scales like those on the twigs. Calyx without hairs or scales. Petals 5. Staminal tube 0.5-0.9 mm high, 0.9-1 mm wide, cup-shaped, the apical margin incurved, aperture 0.3-0.6 mm; anthers 5, 0.3-0.4 mm long, 0.3 mm wide, ovoid, dehiscent only in the lower half, darker at the apex, inserted inside the rim of the tube to 2/3 up the tube, protruding and filling the aperture. Infructescence up to 18 cm; peduncle 2-3 cm, peduncle, rachis and branches with few scales like those on the twigs. Fruits 5-6 cm long and c. 3.5 cm wide, ellipsoid or obovoid, orange or orange-yellow when ripe, indehiscent; pericarp 3-5 mm thick. Locules 2, each containing or 1 seed; the fruit curved and asymmetrical when a seed fails to develop in one of the locules. Seed c. 3.1 cm long, 1.8 cm wide, 1 cm through, surrounded by an entire translucent aril 2-3 mm thick. [from Flora Malesiana]

Found in primary forest, along ridges and along river banks, alluvial or occasionally flooded Dipterocarp forest with a low canopy; sometimes on limestone or sand; sealevel to 600 m altitude.

The fruits are edible.


Local names
Borneo: Bako, Embunjau, Katitiwar, Lantupak, Pejau, Penjeha.