Koordersiodendron pinnatum Merr.

Tree up to 45 m high and 80(-150)cm ø. Buttresses sometimes present, up to 2 m high, 1.½ m wide, 10 cm thick. Bark dark brown or black, shallowly or deeply fissured. Leaves (6—)10-16 pairs, 50-80 cm long (herb. specimens). Leaflets chartaceous, ovate-oblong to narrowly oblong, 3-20 by 1½-5½ cm; pubescent when young, glabrescent; base obtuse; apex acuminate; nerves 10-24 pairs, veins reticulate; petiolules 3-5 mm, the terminal one up to 17 mm. Panicles up to 50 cm long, puberulous, glabrescent; floral bracts ovate or triangular, ⅔-1½ mm long; pedicels c. 1 mm. Flowers white or yellowish green. Calyx lobes broadly ovate, ⅔-l mm long. Petals obovate-oblong or elliptic, 2-3 by 1-1½ mm. Stamens ⅔-l mm; anthers c. ¼ mm long, connective distinct, slightly protruding above the thecae. Disk 1½-2 mm ø. Ovary c. ½ mm ø. Drupe broadly ellipsoid, ± compressed, 2½-4 by 1½-2½ cm, yellowish when ripe. Seed ellipsoid, compressed, c. 2½ by 1½ cm.

A tropical plant. It is found throughout the Philippines. It grows in lowland forests including swamps. It is often near the beach. It grows up to 450-800 m above sea level.

Uses. The wood has crossed, often wavy grain and fine texture. It is fairly heavy and its specific gravity is 0.67-0.85 air dry and over 1 when green. It is moderately durable when exposed or in contact with the soil and is suitable for flooring, general house construction, furniture, and cabinet making. The exudate (gum) is used in local medicine. Cf. HEYNE Nutt. Pl. 1927 974 SALVERDA Rapport Exped. ZW. Nieuw Guinea 1937 86 KRAEMER Trees W. Pac. Reg. 1951 197 f. 69 KALKMAN Timber Species of Neth. New Guinea 1959 18 .

Plants can be grown from seeds.