Aglaia crassinervia Kurz ex Hiern, in Hook.f. Fl. Brit. Ind. 1 (1875)
Latin for 'with thick venation'.
Aglaia cinerea King
Aglaia pyricarpa Baker.f.
Chisocheton sumatranus Baker.f.
Tree up to 31 m tall, up to 50 cm in diam.; buttresses
upwards up to 2 m. outwards up to 30 cm, up to 20 cm thick. Bark smooth, greyishbrown
or greyish-green. lenlicellate. sometimes with longitudinal cracks or flaking in
small scales; inner hark pale yellow or dark reddish-brown or pink with white latex
from cambium region; sapwood yellow, orange or pale brown, sometimes turning purple
near the heart; latex white. Twigs fairly stout with numerous yellowish-brown or
orange brown, peltate scales which are entire or have a fimbriate margin, with white
latex. Leaves imparipinnate, up to I m long and 70 cm wide; petiole up to 20 cm long,
petiole, rachis and petiolules with indumentum like the twigs. Leaflets 1 1-15(-17), 7-35
by 4-12 cm. often greyish-green when dry, acuminate-caudate at the apex, rounded or
cuneate at the slightly asymmetrical base, upper surface w ith numerous almost white
scales when young, glabrescent. usually rugulose and w ilh numerous pits and lower
surface usually pitted, with numerous scales like those on the twigs on the midrib, veins
and surface in between on the lower surface; veins 7-19 on each side of the midrib;
petiolules up to 1 .5 cm. Male inflorescence up to 50 cm long and 60 cm wide. Female
innorescence up to 30 cm long, peduncle, rachis and branches with indumentum like
the twigs. Flowers subglobose, c. 1.5 mm in diam., fragrant; pedicels up to 1.5 mm.
Calyx usually densely covered with scales like those on the twigs. Petals 5. Staminal
tube 2/3-3/4 the length of the corolla, subglobose. with a wide aperture 0.4-0.5 mm
across, entire; anthers 5, ovoid, 1 /2-2/3 length of the slaminal tube, inserted 1/3-1/2
the way up the tube and protruding through the aperture. Infructescence up to 30 cm
long and 20 em wide, with up to 50 fruits. Fruits 5.5-6 cm iong and 3.5-4 cm in
diam., subglobosc or pyriform, dull green, grey, brown or blackish-purple, becoming
yellow or orange when ripe; pericarp woody, 1 mm thick, densely covered with scales
like those on the twigs on the outside; stalk stout, up to 2 cm long and 1 cm wide. Locules
1 or 2, each containing or 1 seed. Seed with aril 2.5-3 cm long, 1.5-1.7 cm
wide and 1-1.8 cm thick; aril transparent, reddish-brown, slightly sour.
[from Flora Malesiana]
In undisturbed mixed dipterocarp forests up to 1570 m altitude. On hillsides
and ridges, but also common along rivers, streams and in seasonal swamps. On
acidic rock, basalt, sandstone, clay to sandy soils. The fruits are eaten by monkeys.
Nicobar Islands, Burma, Thailand, Peninsular Malaysia, Sumatra, Borneo, Philippines.
Borneo: Lansat-lansat, Lantupak, Lantupuk, Segara, Sigirah.