Changes

*A shrub to medium-sized tree up to 20 m tall (perhaps sometimes very large, up to 40 m), with bole up to 40 cm in diameter, without buttresses but occasionally having stilt roots; twigs usually strongly 4-angled, terminal bud plump, 1.5-4 mm long; leaves .*Leaves elliptical to obovate, (2-)3.5-14 cm long, cuneate at base, rounded, acute or acuminate at apex, with (4-)5-14(-17) veins per 5 mm; inflorescences .*Inflorescences usually axillary, unbranched, 3-11-flowered; flowers with 4 or 8 tepals (rarely 5-7 or 10); fruit .*Fruit ellipsoid to spherical, 6.5-16 mm long, with thin outer layer having large air spaces under the skin, yellowish, reddish-yellow or bluish-green.  Var. ''tetrapterum'' (synonyms: ''C.'' ''floribundum'' Hook.f. p.p., ''C.'' ''praineanum'' King, ''C.'' ''venustum'' King) occurs throughout the range, usually in well-drained mixed dipterocarp forest up to 1000 m altitude, and var. ''obovale'' (Miq.) P.F. Stevens (synonyms: ''C.'' ''obovale'' Miq., ''C.'' ''griffithii'' T. Anderson) occurs scattered in Peninsular Malaysia, Sumatra and Borneo, in the same habitats.