Erigeron bonariensis L.

Flaxleaf Fleabane

Sp. Pl. 2: 863 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Greyish-green or purplish-green annual to 1 m high; stem often unbranched below inflorescence, striate, somewhat appressed hairy under longer, stiffly spreading hairs. Lower leaves elliptic to narrow oblanceolate, c. 4–12 cm long, 5–15(–20) mm wide, hispid to rather appressed hirsute or finely strigose, often with longer spreading hairs, distantly and shallowly serrate or with lobes to c. 10 mm long; upper leaves narrow oblanceolate or often linear, c. 2–8 cm long, 2–6 mm wide, finely hispid to strigose, usually entire. Capitula numerous; panicle pyramidal or broadly corymbiform with lateral branches often exceeding the central axis; involucres campanulate, 5–6 mm long; bracts strigose to finely hispid, often purplish, the innermost pale on the lower part of the inner face (except for the darker midrib) at maturity; receptacles 2–4(–5) mm diam., more or less smooth to slightly rough (rarely quite roughened). Outer florets whitish or tinged purplish, with minute oblique limb. Cypselas narrow-oblong to elliptic, to 1.6(–2) mm long, c. 0.4 mm wide; pappus bristles white to pale pinkish, c. 3–4 mm long. Flowering mostly spring–autumn.

*Brid, *CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *GGr, *HFE, *HNF, *HSF, *LoM, *MuF, *MuM, *MSB, *NIS, *OtP, *OtR, *RobP, *Strz, *VAlp, *VRiv, *VVP, *WaP, *WPro, *Wim. Naturalised in all States. Native to South America. First collected in Victoria from Studley Park (Melbourne) in 1885, now a widespread and common weed, mostly of disturbed areas, e.g., roadsides, vacant blocks, wasteland, but sometimes in remote, undisturbed bushland.

See note under Erigeron sumatrensis.

Created by: Daniel Ohlsen, 2015-12-03
Updated by: Val Stajsic, 2019-03-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Asterales
family Asteraceae
genus Erigeron
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Erigeron bonariensis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Erigeron bonariensis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present naturalised
Murray Mallee present naturalised
Wimmera present naturalised
Glenelg Plain present naturalised
Bridgewater present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Murray Scroll Belt present naturalised
Robinvale Plains present naturalised
Murray Fans present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Warrnambool Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Greater Grampians present naturalised
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
East Gippsland Uplands present naturalised
Wilsons Promontory present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Otway Ranges present naturalised
Strzelecki Ranges present naturalised
Highlands-Far East present naturalised
Victorian Alps present naturalised

State distribution

Distribution map
State
Western Australia
Northern Territory
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania