Aglaia leucophylla King, J. As. Soc. Beng. 64, 2 (1895)

Latin for 'white leaves'.

Synonyms
Aglaia agusanensis Elmer ex Merr.
Aglaia elmeri Merr.
Aglaia heteroclita King
Aglaia insignis Schwartz
Aglaia kunstleri King
Aglaia mirandae Merr.
Aglaia pallida Merr.
Aglaia simplex Merr.

Description
Tree up to 27 m, sometimes flowering when 1.5 m high. Bole up to 65 cm in circumference; sometimes fluted at base. Outer bark smooth, grey, brown or greyishbrown; inner bark pale yellow; sapwood reddish-brown or white; latex white. Twigs densely covered with golden-brown or brown stellate scales usually only near the apex. Leaves imparipinnate, up to 80 cm long and 50 cm wide; petiole up to 22 cm, petiole, rachis and petiolules with few to densely covered with scales like those on the twigs. Leaflets 9-15(-17). 9-28 by 3.5-11.5 cm. pale green or yellowish-green when dry. with numerous orange-brown pits on the lower leaflet surface and few to numerous tiny golden-brown stellate .scales on lower surface, sometimes with darker peltate scales or reddish-brown stellate hairs interspersed, often rugulose on upper and lower surfaces, acuminate or caudate at apex, rounded or cuneate at the asymmetrical ba.se; veins 8-14 on each side of the midrib, reticulation usually visible on lower surface, petiolules 1-20 mm long. Male inflorescence up to 60 cm long and 25 cm wide; peduncle up to 15 cm, peduncle, rachis, branches and petiolules with few to numerous golden-brown stellate scales. Male flowers up to 1.5 mm in diam.; pedicels up to 1 mm. Calyx with few to densely covered with golden-brown stellate hairs on the outside. Petals 5. Staminal tube up to 0.9 mm long, shorter than the corolla, usually subglobose sometimes obovoid, the aperture c. 0.3 mm across and shallowly 5-lobed; anthers 5(-7), half to as long as the tube, broadly ovoid, inserted near the base or in the upper half of the tube, curved and just protruding through the aperture, with a few simple hairs which sometimes fill the aperture. Female inflorescence c. 8 cm long and 2.5 cm wide, with lanceolate bracts up to 9 mm long and 2 mm wide, with few branches and c. 200 flowers; peduncle 3-20 mm. Female flower up lo 3 mm long and wide; pedicel c. 0.5 mm. Petals 5. Staminal tube up to 2 mm long and wide, depressed globose or obovoid, with a few hairs inside; aperture c. 0.5 mm; anthers 7, c. 0.7 mm long and 0.5 mm wide with pale margins and tufts of hairs at the apices, inserted near the apex of the tube and protruding. Infructescence up to 20 cm long and 18 cm wide with 3-10 fruits; peduncle up to 5 cm, peduncle, branches and fruitstalks with surface and indumentum like the twigs. Fntits up to 4.5 cm in diam., usually pyriform, sometimes subglobose, sometimes with a beak and narrowed at the base to a stipe c. 5 mm long, usually with a thick, hard, woody pericarp, sometimes the pericarp thin and brittle, yellow or brown, densely covered with golden brown or pale brown stellate hairs or scales. Locules 2, each containing 1 seed. Seed c. 2.3 cm long and 1 cm wide; aril white or red, edible, sweet or sour; testa brown. [from Flora Malesiana]

Ecology
Found in primary, including riverine forest, moss forest, but usually in secondary forest; on sand, limestone, sandy clay, loam, and alluvial; sealevel to 1300 m altitude.

Uses
Boles are used for house-poles (Borneo: Tumbang Tubus). The fruits are edible.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Java, Borneo, Philippines, Celebes, Moluccas.

Local names
Borneo: Lantupak, Merabakan, Pangak, Perumpong hutan.