Inflorescence of terminal capitula with (1-)2 rows of involucral bracts, these scarious or pubescent, usually obtuse. Receptacular scales obtuse,
acuminate, scarious. Involucel 4-angled, furrowed, crowned (in ours) by a membranous corona. Calyx ± lobed, without persistent bristles. Corolla of 4 lobes, those of the outer flowers often larger than the inner. Worldwide: c. 65 species extending from the Mediterranean to C Asia, Ethiopia and southern Africa Zimbabwe: 1 taxon. |
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