L., Sp. Pl. 892 (1753).
Derivation: Contraction of Ananthocyclus; Greek a-, not; anthos, flower; kyklos, circle; referring to the asymmetric corollas of the disk florets.
Synonymy: Not Applicable
Common name: None
Annual herbs; leaves cauline, alternate, finely dissected.
Capitula solitary, terminal, pedunculate, radiate, heterogamous; involucres hemispherical; bracts herbaceous with a wide hyaline-scarious apex and margins, imbricate in 2 or 3 unequal series; receptacle hemispherical with large broad scales; ray florets female, uniseriate, ligulate, yellow; style branches linear.
Achenes broadly 2-winged, glabrous; pappus absent; disk florets tubular, 5-merous, bisexual, fertile; corolla cylindric, unequally lobed, yellow; anthers obtuse at the base, with ovate apical appendages; style branches broadly linear, truncate with papillose apices; achenes narrowly winged, glabrous; pappus absent.
12 species in the Mediterranean region and south-western Asia. (C. J. Humphties (1979) Bull. Brit. Mus. (Bot.) 7:83-142.)
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