KEY TO THE SUBSPECIES

1Indumentum of twig apices, flowers, and fruits with hairs 0.5-1 mm long. Anthers 6-11.
1'Indumentum consisting of hairs 0.1 mm long. Male perianth 1.5-2 mm diam.; anthers 5 or 6.
2Leaves narrow, 7-12 by 1.5-2.5 cm, lateral nerves 8-12 pairs. Male perianth 1.5 mm diam.; anthers 6.
2'Leaves larger, lateral nerves 12-23 per side.
3Indumentum consisting of hairs 0.5-1 mm long. Branches of male inflorescences (1-) 1.5-2 mm thick; perianth 1.5-2 mm diam.; anthers 6-8.
3'Indumentum consisting of hairs 1(—1.5) mm long. Branches of male inflorescences 2-2.5 mm thick; perianth 2-2.3 mm diam.; anthers 10 or 11