Changes

*A large tree up to 45 m tall, with columnar bole up to 80 cm in diameter; leaves .*Leaves evenly distributed, narrowly elliptical or elliptical to obovate, with distinct, reticulate tertiary veins often parallel to secondary veins, glabrous on both sides; flowers .*Flowers in 2-5-flowered clusters, borne on 5-10 mm long pedicels (up to 22 mm in fruit), greenish or brownish-white; fruit .*Fruit ovoid, obovoid or ellipsoid, 2-5 cm long, glabrous.  ''P.'' ''sumatranum'' grows in primary forest in the lowland, sometimes up to 1200 m altitude.