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Genus Ceratogyne Family Asteraceae

Description: Small annual herb; vestiture non-glandular.

Leaves basal and cauline, alternate, often appearing opposite, flat, margins entire; sessile.

Inflorescence an unbranched cyme with each terminal head overtopped by a branch arising immediately below.

Heads minute, subsessile, discoid; cup-shaped to cylindrical; involucral bracts herbaceous, 1-seriate, oblong, green with scarious edges; receptacle minute, naked. Outer florets female, 1-seriate, filiform, 2- or 3-toothed or shortly ligulate; style branches linear, subterete, glabrous with rounded apices; achenes flat, with involute herbaceous wings produced into appendages at the apex, pubescent, enlarging in fruit; pappus absent. Inner florets tubular, bisexual, sterile, 3- or 4-merous; anthers acute at the base with a short acute apex; style almost entire, papillose near the apex; linear achenes abortive.


Distribution and occurrence: World: 1 species, endemic Australia. Australia: 1 species, endemic.

Text by E. A. Brown
Taxon concept:

One species in NSW: Ceratogyne obionoides

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