Common name: Flaxleaf Fleabane
Conyza bonariensis (L.) Cronquist APNI*
Synonyms: Erigeron bonariense L. APNI*
Description: Robust, erect, annual herb to 1 m high, grey-hispid; stems usually unbranched below inflorescences, densely hirsute with spreading septate hairs.
Leaves hispid with short antrorse hairs and with longer spreading septate hairs; basal leaves linear, oblong, or narrow-oblanceolate, 4–9 cm long, 5–15 mm wide, margins toothed, sometimes teeth obscure; upper leaves oblong to linear, entire.
Inflorescence a pyramidal or corymbiform panicle; heads hemispherical, 5–6 mm long, 8–12 mm diam.; involucral bracts linear, hirsute, pale when reflexed. Outer florets filiform, inner florets few.
Achenes oblong, pale, pubescent; pappus of many free, barbellate, white to pale pink bristles c. 3 mm long.
Flowering: throughout year.
Distribution and occurrence: Weed of cultivation, pasture and wasteland; widespread. Native of S Amer.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *ST, *NWS, *CWS, *SWS, *NWP, *SWP, *NFWP, *SFWP, *LHI
Other Australian states: *Qld *Vic. *Tas. *W.A. *S.A. *N.T.
Text by J. Everett
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
***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.