Description: Annual, biennial or perennial herbs or subshrubs, viscid with glandular hairs, aromatic.
Leaves in basal rosette and cauline, alternate.
Heads terminal and axillary; involucral bracts 3- or 4-seriate, imbricate; receptacles flat, scales absent. Ray florets 1-seriate or absent, female, fertile, shortly ligulate. Disc florets bisexual, tubular, fertile, 4- or 5-toothed. Anthers tailed at base, with acute apical appendage. Style branches lanceolate, papillose.
Achenes terete, abruptly narrowed below the pappus, pubescent; pappus of barbellate bristles, 1-seriate, shortly fused.
Distribution and occurrence: World: 2 species, Mediterranean region. Australia: 1 species (naturalized).
Text by E. A. Brown