Acanthospermum australe

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Paraguayan starburr
Acanthospermum australe00.jpg
Acanthospermum australe
Acanthospermum australe00a.jpg
1820 illustration[1]
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Acanthospermum
Species: A. australe
Binomial name
Acanthospermum australe
(Loefl.) Kuntze

Acanthospermum australe (Paraguayan starburr,[3][4] Ihi kukae hipa, Paraguay bur, Paraquay starbur, Pipili, Sheepbur, Spiny-bur) is a South American species of herbaceous plants first described as a species in 1758.[5][6][7]


The species is native to: [8]

  • South America, within Brazil, French Guiana, Guyana, Suriname, Venezuela, Argentina, Paraguay, Uruguay, Bolivia, and Colombia
  • Caribbean, within Grenada; Martinique; St. Vincent, and Grenadines

It has been introduced in China, and is an invasive species in parts of the United States, Canada, and South Africa. It is currently a widespread pioneer in the tropics and sub-tropics. [9][10][11]


Extracts of Acanthospermum australe have in vitro antiviral activity against herpesvirus and poliovirus,[12] but clinical effects have not been studied.