KEY TO THE VARIETIES

1Twigs at apex and leaf buds with minute hairs 0.1 mm long. Fruits with stellate (-dendroid) hairs 0.1 mm long or less. Androphore minutely pubescent at base.a.
1'Twigs at apex and leaf buds with hairs 0.1-0.2(-0.3) mm long. Fruits with rough dendroid hairs 0.5 mm long, especially towards the base.