Acanthospermum is a genus of plants in the family Asteraceae, also known as starburrs or starburs. It was described as a genus in 1820.
As of July 2020, Plants of the World online has 7 accepted species:
Acanthospermum australe (Loefl.) Kuntze - South America
Acanthospermum consobrinum S.F.Blake - Paraguay
Acanthospermum glabratum (DC.) Wild. - South Africa
Acanthospermum hispidum DC. - South America
Acanthospermum humile (Sw.) DC. - West Indies
Acanthospermum lecocarpoides B.L.Rob. & Greenm. - ...