Taxon: Hymenachne amplexicaulis (Rudge) Nees

Genus: Hymenachne
Family: Poaceae (alt.Gramineae)
Subfamily: Panicoideae
Tribe: Paspaleae
Subtribe: Otachyriinae
Nomen number: 316039
Place of publication: C. F. P. von Martius et al., Fl. bras. enum. pl. 2(1):276. 1829 (Agrost. bras.)
Link to protologue:
Comment: H. amplexicaulis sensu Old World authors = H. acutiglume
Name Verified on: 22-Apr-1991 by ARS Systematic Botanists. Last Changed: 21-Aug-2006
Species priority site is:
Accessions: 0 in National Plant Germplasm System

Common names:

Economic Importance:

  • Animal food: forage (fide Invasive Pl Spec)
  • Weed: (fide Invasive Pl Spec)

Distributional Range:


  • Northern America

    • Northern Mexico: Mexico Sinaloa, Tamaulipas
    • Southern Mexico: Mexico Campeche, Chiapas, Colima, Guerrero, Jalisco, Michoacan, Nayarit, Oaxaca, Tabasco, Veracruz
  • Southern America

    • Brazil: Brazil
    • Caribbean: Barbados ; Cuba ; Dominica ; Dominican Republic ; Guadeloupe ; Haiti ; Jamaica ; Martinique ; Puerto Rico ; St. Lucia
    • Central America: Belize ; Costa Rica ; El Salvador ; Guatemala ; Honduras ; Nicaragua ; Panama
    • Northern South America: French Guiana ; Guyana ; Suriname ; Venezuela
    • Southern South America: Paraguay ; Uruguay
    • Western South America: Bolivia ; Colombia ; Ecuador ; Peru

  • Naturalized

  • Australasia

    • Australia: Australia New South Wales, Northern Territory, Queensland
  • Northern America

    • Southeastern U.S.A.: United States Florida, Louisiana

  • Cultivated

  • Australasia

    • Australia: Australia


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  • Clarkson, J. R. et al. 2011. A report of hybridisation in Hymenachne (Poaceae, Panicoideae) with description of Hymenachne × calamitosa, a new species of hybrid origin from tropical Australia (Telopea) 13:105-114.
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  • Grice, A. C. et al. 2011. Geographic differentiation of management objectives for invasive species: a case study of Hymenachne amplexicaulis in Australia Environm. Sci. Policy 14:986-997.
  • Hanelt, P., ed. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6. 2001 (Mansf Ency)
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