R. D. Meikle, Flora of Cyprus 2. 1985T. C. Tsintides, G. N. Hadjikyriakou & C. S. Christodoulou, Trees and shrubs in Cyprus. 2002
but combined and modified
1Corolla-tube elongate, slender, much exceeding the calyx, the latter not much accrescent in fruit; corolla mauve; fruit 4-6 mm diam., black, sometimes orange-red
1'Corolla-tube scarcely exceeding the conspicuously accrescent calyx; corolla white with purple marks at the base of the lobes; fruit 8-14 mm diam., reddish