Common name: Desert Sneezeweed
Centipeda thespidioides F.Muell. APNI*
Description: Erect or ascending perennial herb, usually glabrous but leaf axils sometimes woolly, usually 10–20 cm high; stems branched.
Leaves oblanceolate, 8–25 mm long, 2–7 mm wide, apex ± acute, margins shallowly to coarsely toothed, base ± narrowed, ± glabrous; commonly sessile.
Heads sessile, solitary, 4–5 mm diam., ± cup-shaped, flat-topped; involucral bracts oblong to obovate, c. 4 mm long, outer few often shorter, apex ± obtuse, minutely toothed. Female florets 2- or 3-seriate. Bisexual florets 10–15.
Achenes clavate, 2.5–3 mm long, ribs scarcely extending above the middle, upper region rounded, glabrous.
Flowering: mainly spring.
Distribution and occurrence: Usually grows on sites subject to flooding; west from Gunnedah.
NSW subdivisions: NWS, CWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A. N.T.
Text by E. A. Brown
Taxon concept: Flora of NSW 3 (1992)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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