R. D. Meikle, Flora of Cyprus 2. 1985
but modified and supplemented
1Annual herbs; leaves commonly lobed or pinnatisect
1'Perennial shrubs with woody branches; leaves shortly toothed, not lobed
2Leaves elliptic, tapering at both ends; inflorescence usually much branched, with more than 5 capitula
2'Leaves obovate or subspathulate, apex blunt or subacute, base suddenly narrowed; inflorescence often sparingly branched, with up to 5 capitula