Meikle, R.D. 1985: Flora of Cyprus 2
but modified
1Rhizomatous perennials, 50-130 cm high
1'Annuals, 5-50 cm high
2Capitula terminal and lateral; peduncles generally elongate, slender; achenes c. 1 mm long; leaves flat or flattish
2'Capitula terminal on leafy branches and branchlets; peduncles short, not very distinct; achenes c. 1.5. mm long; leaf-margins strongly recurved or revolute