M. Zohary, Flora Palaestina 1. 1966
but modified and names used differing
1Plant (almost) erect, glaucous; stigmas usually 2; middle flower of cyme not reaching top of joint; seeds with conical, short hairs
1'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