Common name: Creeping Knapweed
Rhaponticum repens (L.) Hidalgo APNI*
Synonyms: Acroptilon repens (L.) DC. APNI*
Acroptilon picris APNI*
Centaurea repens L. APNI*
Description: Stem erect, branched, pubescent.
Lower cauline and basal leaves oblanceolate, lobed, soon withering or absent; cauline leaves oblong to lanceolate, entire or toothed, 1–5 cm long, 2–8 mm wide, pubescent.
Heads 5–7 mm diam.; involucral bracts pale green, pubescent; outer bracts circular to obovate, with broad entire to ± lacerate membranous appendages, purple; inner bracts lanceolate with acuminate, hirsute appendages.
Achenes 3–4 mm long, pale, striate; pappus to 8 mm long.
Distribution and occurrence: Weed of irrigated crops and pastures, wasteland and roadsides; widespread in inland districts, west from Inverell. Native of Eur., N Afr. & Asia.
NSW subdivisions: *SC, *NWS, *CWS, *SWS, *SWP, *SFWP
Other Australian states: *Qld *Vic. *S.A.
Declared Noxious Weed
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.