Carlina

R. D. Meikle, Flora of Cyprus 2. 1985
but modified and names used differing
1Innermost series of phyllaries (resembling ligulate ray-florets) golden-yellow; plant perennial, robust, very spiny, usually more than 15 cm high
1'Innermost series of phyllaries (resembling ligulate ray-florets) pink or purple; plants usually less than 15 cm high (C. pygmaea rarely higher), not very spiny
2Plants perennial with a thick, fusiform taproot; florets and receptacular scales generally purple towards apex; receptacular bristles 15-20 mm long; achenes 3.5-4 mm long
2'Plants annual with a slender taproot; florets and receptacular scales yellowish or pallid; receptacular bristles c. 8-10 mm long; achenes 2.5-3 mm long