Citation: Benth., Fl. Aust. 3:576 (1867).

Synonymy: Pachysurus platycephalus F. Muell., Fragm. Phyt. Aust. 3:154 (1863); C. dittrichii F. Muell., Wing's South. Sci. Rec. 2 (n.s.) (1886); C. multiflorus sensu J. Black, Fl. S. Aust. 928 (1957), non (Turcz.) Benth.

Common name: Billybuttons, yellow-top, western beauty-heads.

Description:
Annual herbs, major axes ascending to erect, 8-50 cm tall, hairy; leaves linear or lanceolate, 0.5-3 cm long, 0.1-0.55 cm wide, more or less glabrous to distinctly hairy.

Compound heads broadly depressed to depressed-ovoid or globular, 0.6-2 cm long, 0.8-3 cm diam., yellow; bracts subtending compound heads more or less absent; general receptacle branched, hairy; capitula c. 10-160 per compound head; capitular bracts c. 17-22, 2-or 3-seriate, all narrowly elliptic, flat to concave, mainly hyaline except for an opaque green midrib extending for about two-thirds to three-quarters the length, the lamina barely or conspicuously constricted in the upper quarter to two-fifths, the upper part yellow, the outer bracts with long hairs extending from the upper surface of the midrib, the inner bracts glabrous; florets 12-22 per capitulum, corolla tube 1.8-2 mm long.

Achenes c. 0.5-0.62 mm long, 0.25-0.3 mm diam., brown, papillose; pappus of 6-10 plumose bristles subequal to the floret tube and with distinct terminal tufts, united and forming a small ring at the base.

Distribution:  Favours sandy soil, often in semi-saline areas. S.Aust.: NW, LE, GT, FR, EA.   W.Aust.; N.T.; Qld; N.S.W. Conservation status: native Flowering time: most of the year (mainly spring).

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available