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Common name: Spreading Sneezeweed
Centipeda minima (L.) A.Braun & Asch. APNI*
Description: Annual herb, ± glabrous to woolly; stems prostrate to ± ascending, 10–20 cm high, much-branched.
Leaves narrow-ovate or elliptic to cuneate or spathulate, c. 10 mm long, 1–4 mm wide; apex acute to obtuse, base narrowed, margins entire or toothed, often coarsely so near apex; glabrous to woolly; petiole usually indistinct.
Heads ± sessile, usually solitary, hemispherical, 2–4 mm diam.; involucral bracts c. 1 mm long, obtuse. Female florets 3–5-seriate. Bisexual florets c. 10.
Achenes obconic, 1.5–2 mm long, ribs extending ± to apex (mostly NT, CT, ST, NWS, SWS) or achenes c. 1 mm long and similar to C. cunninghamii.
Flowering: mainly spring–summer.
Distribution and occurrence: Grows on floodplains and damp areas on most soils.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP, NFWP
Other Australian states: Qld Vic. Tas. N.T.
Text by E. A. Brown
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.