Acanthospermum australe (Loefl.) Kuntze
  • Revis. Gen. Pl. 1: 303 (1891)
  • carrapicho

Cite taxon page as 'WFO (2020): Acanthospermum australe (Loefl.) Kuntze. Published on the Internet; Accessed on: 30 Oct 2020'

General Information

Plants 10–60(–120+) cm. Stems ± procumbent. Leaf blades deltate to ± rhombic or ovate, 13–37 × 7–32 mm, faces sparsely scabrel­lous to glabrate or glabrescent, gland-dotted. Fruits plumply ellipsoid to fusiform, weakly compressed, 7–9+ mm, 5–7-ribbed, lacking terminal spines, prickles ± uncinate, mostly along ribs. 2n = 22.

  • Provided by: [D].Flora of North America @
    • Source: [
    • 1
    • ]. 

    "Stems prostrate and often rooting, to 6 dm or more, short-hairy, especially distally; lvs broadly rhombic-ovate or triangular, irregularly toothed above the cuneate, entire base, 1.5–3.5 × 1–3 cm, glandular-punctate, on petioles 3–15 mm; heads 4–6 mm wide at anthesis; burs 7–9 mm, ellipsoid-fusiform to nearly oblong, slightly compressed, densely glandular, 5–7-ribbed, the ribs bearing 1 or 2 rows of hooked prickles 1–2 mm, the top abruptly invaginated and with an evident rim; 2n=22. A weed in sandy soil and waste places, native to trop. Amer., and intr. n. occasionally as far as Mass. and Oreg."

  • Provided by: [C].New York Botanical Garden
    • Source: [
    • 2
    • ]. 


    Herb with prostrate branches. Leaves and stems usually densely pubescent. Fruits typically 6 or 7(8 or 9) in a head, ± 7 mm long, oblong-fusiform, covered in short hooked spines, all much the same size. Flowers yellowish.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Herb with prostrate branches forming mats as much as 0.6 m across, branches leafy. Leaves opposite, petiolate, up to 4.5 x 4 cm, elliptic, broadly ovate or suborbicular, base more or less truncate or abruptly cuneate, margins subentire to coarsely dentate, pubescent above and below, gland-dotted. Heads axillary, pedunculate, 3-5 mm across in flower, about 1.5 cm in fruit. Fertile achenes usually 6-9 in number, radiating from the disc, each achene enveloped in an enlarged involucral bract forming a fusiform-oblong fruit c. 7 mm long covered in short hooked spines. In fruit from about January to June.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 


    Weed in overgrazed grassland, along roadsides and other waste places.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    In Natal, found along the coast and in the Midlands and Zululand below about 1370 m in overgrazed grassland, along roadsides and in other waste places.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 


    Native to South and Central America.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    A native of South and Central America, now a weed in parts of tropical and South Africa, where it has been recorded from the Transvaal, Natal and nearby parts of the Transkei.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Amazonas
    • Parí
    • Rondônia
    • Roraima
    • Tocantins
    • Alagoas
    • Bahia
    • Ceará
    • Maranh
    • Paraába
    • Pernambuco
    • Piauá
    • Sergipe
    • Paraní
    • Rio Grande do Sul
    • Santa Catarina
    • Espirito Santo
    • Minas Gerais
    • Rio de Janeiro
    • São Paulo
    • Brazilia Distrito Federal
    • Goiás
    • Mato Grosso
    • Mato Grosso do Sul

    Other Local Names



     Information From

    CC0 1.0 Universal (CC0 1.0).
    • A CC0 1.0 Universal (CC0 1.0).
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute.
    • B All Rights Reserved
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • D Flora of North America Association
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • E Group Brazil Flora, REFLORA Program
    World Flora Online consortium
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).