Common name: Potato Weed
Galinsoga parviflora Cav. APNI* 
Description: Annual herb 10–60 cm high; stems erect, branched, striate.
Leaves lanceolate to ovate, 1–6 cm long, 0.5–4 cm wide, acute, in remote pairs, shortly petiolate, subglabrous to hispidulous; margins ciliate; upper leaves usually smaller, narrower and sessile.
Peduncles 0.5–4 cm long, hairy; heads 4–7 mm diam.; outer involucral bracts 2 or 3, 1–2 mm long, inner bracts 5, 2–4 mm long, glabrous, margins lacerate; receptacle scales acute or 3-toothed, innermost persistent. Ray florets usually 5, white; ligules 3-toothed, c. 1 mm long; ray achenes c. 2 mm long, slightly pubescent; pappus of short bristles or absent. Disc florets numerous, yellow. Disc achenes c. 1.8 mm long, slightly hairy; pappus of numerous fimbriate scales c. 1.5 mm long.
Flowering: mainly summer.
Distribution and occurrence: Grows in disturbed habitats and agricultural areas north from Bega. Native of S Amer.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *ST, *NWS, *SWP, *LHI
Other Australian states: *Qld *Vic. *Tas. *W.A. *S.A. *N.T.
Text by L. Murray
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.
|
