KEY TO THE SPECIES

1	Branchlets with a fine patent pubescence, usually armed with strong ramal thorns. Petals 7-9 mm, white, not or hardly changing colour in the dry state. Drupe c. 1.5 cm long Olax psittacorum
1'	Branchlets more or less glabrous, unarmed. Petals 10-12 mm, becoming dark to blackish in the dry state. Drupe 1.7-2.5 cm long Olax imbricata