Male inflorescences 2 (or 3) times branched, c. 20 cm long. Sepals of male flowers acute-acuminate, rather open in bud. Petals narrowly triangular, c. 4 mm wide at base. — North Sumatra
Male inflorescences simple or once branched, 10-20 cm long. Sepals of male flowers obtuse or subacute, connivent and closing the bud before anthesis. Petals elliptic, 4-8 mm wide at base with rounded or blunt apex. — Widespread
