Gamochaeta coarctata (Willd.) Kerguelen APNI* Synonyms: Gamochaeta spicata (Lam.) Cabrera APNI*
Gnaphalium coarctatum Willd. APNI*
Description: Annual or biennial herb 7–40 cm high.
Basal leaves in a rosette, oblanceolate to spathulate, 2.5–7 cm long, 8–16 mm wide, apex obtuse, base slightly stem-clasping, margins sometimes undulate, upper surface green and ± glabrous and with a furrowed midvein, lower surface white-tomentose; cauline leaves similar, sparse, 1–6 cm long and with undulate margins.
Heads 2–3 mm diam., in axillary clusters forming a dense spike-like terminal panicle; involucral bracts glabrous, green below, pale and scarious above, purple in between, the inner ones linear and acute.
Achenes obovoid, c. 0.7 mm long, straw-coloured; pappus bristles cohering at the base, non-persistant and falling away together, 2–2.5 mm long.
Flowering: mainly December–January
Distribution and occurrence: Weed of disturbed ground; widespread, from coastal districts west to Albury. Native of America.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *NWS, *CWS, *SWS, *LHI
Other Australian states: *Qld *Vic.
Text by E. A. Brown
Taxon concept: previously under Gnaphalium coarctatum Willd. Flora of NSW Vol. 3 (1992).
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.
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