Conyza bilbaoana J.Rémy APNI*
Description: Robust, erect annual herb to 2 m high, stems glabrescent or with very few tubercles or tubercle-based septate hairs especially towards the base of the plant, branching below the inflorescence.
Leaves glabrous but with antrorse bristles on the margins and occasionally also on the lower midrib; basal leaves oblanceolate to linear, 2–5 cm long, 1–8 mm wide, margins entire or toothed; upper leaves oblong to linear, entire.
Inflorescence with many panicles often loosley spreading with numerous heads, hemispherical when young, 2.5–4 mm long, involucral bracts glabrous, narrowly triangular, reb-brown with pale margins. Outer florets with inconspicuous ligules <0.5 mm long.
Achenes oblong, sparsely hairy, red-brown with paler thickened margins; pappus of free golden bristles 2–3 mm long.
Flowering: most of year.
Distribution and occurrence: Weed of roadsides and disturbed land; widespread, coastal sites west to Gundagai district. Native of S Amer.
NSW subdivisions: *NC, *CC, *SC, *CT, *ST, *SWS
Other Australian states: *Qld *Vic. *S.A.
Text by J. Everett; rewritten by Peter Michael [Apr 2019]
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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