Centaurea calcitrapa

Family Asteraceae

Species Profile

Species classification Invasive [NSW's Noxious Weeds]
Common namesPurple Star Thistle, Purple Star-thistle, Purple Starthistle, Red Star Thistle, Red Star-thistle, Red Starthistle, Star thistle
SynonymsInformation unavailable
LongevityAnnual, Biennial
Growth formHerb
Seed dispersal morphologyAdhesive (burrs, sticky, awns, hairs etc), Tumbleweed, Wing/Achene/Pappus
Maximum height (m)1
Capable of vegetative reproductionInformation unavailable
Native rangeWestern Asia, northern Africa, Europe
Exotic range (Australia)ACT, NSW, QLD, SA, TAS, VIC, WA
Exotic range (other)Southern Africa, Central America, North America, Oceania, South America
Habitat types (exotic)Agricultural land, Bushland, Disturbed areas (including trails), Dry sclerophyll forest, Grasslands, Pastures, Riparian systems, Roadsides, Wastelands, Woodlands
Soil type (exotic)Most soil types
Decade of introduction1860

National Climate Change Impact

Invasive Class 3

The area of suitable habitat and the habitat suitability of observations, for this species, are projected to decrease or remain the same under RCP 8.5 2065 compared to current climate suitability.

Maps of Habitat Suitability & Recorded Occurrences

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Current suitable habitat

2035 suitable habitat
(RCP 8.5)

2065 suitable habitat
(RCP 8.5)

Recorded occurrences

Recorded occurrences


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