R. D. Meikle, Flora of Cyprus 1. 1977
but modified and names used differing
1Flowers in racemes; unarmed shrubs or small trees, 1-4 m high; leaves leathery, serrulate, 20-40 x 10-25 mm
1'Flowers in axillary clusters; thorny shrubs, 0.5-2.5 m high; leaves entire or subentire, 7-30 x 2-15 mm