F. Muell., Rep. Babbage Exped. 1858 14 ( 1859).
Synonymy: Chrysocephalum pterochaetum F. Muell., Linnaea 25:416 (1852); Heliprerum pterochaetum (F. Muell.) Benth., Fl. Aust. 3:648 (1867).
Common name: Perennial sunray.
Rigid bushy perennial herb 15-40 cm tall and diam., or subshrub with a woody stock or lower woody branches; branches white-felty with somewhat matted woolly-cobwebby hairs; leaves linear to linear-oblanceolate, with recurved margins, a blunt apex and a broadly sessile base, mostly 1-3 cm long, 1-1.5 mm wide, glandular-scabrid on both sides, sometimes with scattered woolly hairs.
Capitula on short peduncles (to c. 10 mm) in subcorymbose clusters of 3-8 terminating long branchlets bearing reduced leaves, narrowly campanulate to obconical, 5-7 mm long and 5-6 mm diam.; involucral bracts 5- or 6-seriate, the inner ones longest, slightly exceeded by the florets, all scarious, translucent, stramineous, papillose, with a basal glandular-pubescent herbaceous mid-vein passing into a short claw, shortly ciliate with the cilia in length a fifth to a quarter of the width of the bracts; outer bracts with golden-brown to brown almost opaque tips; inner bracts with wholly scarious laminae.
Achenes obovoid-oblong, densely papillose; pappus bristles of bisexual florets 8-19, subplumose from the base where very shortly connate, barbellate towards the apex, of female florets lacking.
Cunningham et al. (1982) Plants of western New South Wales, p. 696, as Helipterum pterochaetum.
Occurs usually in sand among rocks, in or near dry creek beds, sandy gibber and rocky hillslopes.
W.Aust.; N.T.; Qld; N.S.W.
Flowering time: much of the year but especially June — Oct.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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