KEY TO THE SUBSPECIES

1Leaves 10—25(—35) cm long, usually elliptic, oblong or lanceolate but sometimes ovate, chartaceous or thickly coriaceous, the apex long finely acuminate, 6-25 mm long; petioles thick. Flowers 10-17 mm long. Medium to large trees often with fluted bole
1'Leaves 4.5-12 cm long, usually ovate or oblong-ovate, subcoriaceous or coriaceous, the apex bluntly acuminate, 3-10 mm long; petioles thin. Flowers 8-11 mm long. Large trees with cylin drical bole