Meikle, R.D. 1985: Flora of Cyprus 2Zohary, M. 1966: Flora Palaestina 1
but modified
1Plants annual, without a woody base
1'Plants suffruticose, with a hard, woody base
2Plant (almost) erect, glaucous; stigmas usually 2; middle flower of cyme not reaching top of joint; seeds with conical, short hairs
2'Main stems prostrate, branches erect, greenish or reddish; stigmas usually 3; middle flower of cyme almost reaching the top of joint; seeds with hooked, thin hairs