USDA ARS United States Department of Agriculture
Agricultural Research Service, Beltsville Area

Germplasm Resources Information Network (GRIN)

  GRIN Taxonomy for Plants
Jump to economic impacts  Jump to distribution  Jump to references  Jump to synonyms  Jump to links to other online resources  Jump to images

***Please tell us why you value GRIN Taxonomy***

Taxon: Pennisetum polystachion (L.) Schult. subsp. setosum (Sw.) Brunken

Genus: Pennisetum
Family: Poaceae (alt. Gramineae) subfamily: Panicoideae tribe: Paniceae
Nomen number: 403075
Place of publication: Bot. J. Linn. Soc. 79:63. 1979
Name verified on: 17-Jan-2012 by ARS Systematic Botanists. Last updated: 20-Apr-2012
No species priority site assigned.
Accessions: 1 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

A declared noxious weed by USDA-APHIS (as Pennisetum polystachion).

See other conspecific taxa:

Economic importance:

  • Animal food: fodder   (fide Euphytica 97:16. 1997)
  • Weed: potential seed contaminant   (fide Weed CIBA, as Pennisetum polystachion)

Distributional range:

    East Tropical Africa: Kenya; Tanzania; Uganda
    West-Central Tropical Africa: Congo; Zaire
    West Tropical Africa: Cote D'Ivoire; Ghana; Guinea; Guinea-Bissau; Nigeria; Togo
    South Tropical Africa: Angola; Malawi; Mozambique; Zambia
    Western Indian Ocean: Madagascar

      Naturalized: (links to other web resources are provided for some distributions)
    Indian Subcontinent: Bangladesh; India
    Indo-China: Cambodia; Laos; Myanmar; Thailand; Vietnam
    Malesia: Indonesia; Malaysia
    Southeastern U.S.A.: United States - Florida [s.]
    South-Central U.S.A.: United States - Texas [s.e.]
    Southwestern U.S.A.: United States - Arizona [s.], Nevada [s.]
    Southern Mexico: Mexico - Chiapas, Veracruz
    Southwestern Pacific: Fiji
    Caribbean: Barbados; Cuba; Dominica; Grenada; Guadeloupe; Jamaica; Martinique; Puerto Rico; St. Kitts and Nevis; St. Lucia; St. Vincent and Grenadines
    Mesoamerica: Belize; Costa Rica; El Salvador; Guatemala; Honduras; Nicaragua; Panama
    Northern South America: Venezuela
    Brazil: Brazil
    Western South America: Bolivia; Colombia; Ecuador; Peru

    Eastern Asia: Taiwan
    Indian Subcontinent: India
    Indo-China: Thailand
    Southwestern Pacific: Fiji

  • exact native range obscure


  • Adams, C. 1972. Flowering plants of Jamaica. [treats as P. setosum (Sw.) Rich.].
  • Brunken, J. N. 1979. Morphometric variation and the classification of Pennisetum section Brevivalvula (Gramineae) in tropical Africa. Bot. J. Linn. Soc. 79:51–64.
  • Davidse, G. et al., eds. 1994. Flora mesoamericana. [= P. setosum (Sw.) Rich.].
  • Exell, A. W. et al., eds. 1960–. Flora zambesiaca. [= P. polystachion (L.) Schult.].
  • FNA Editorial Committee. 1993–. Flora of North America.
  • Howard, R. 1974–1989. Flora of the lesser Antilles. [treats as P. setosum (Sw.) Rich.].
  • León (J. S. Sauget) & Alain (E. E. Liogier). 1946–1962. Flora de Cuba.; suppl. 1969 [treats as P. setosum (Sw.) Rich.].
  • Liogier, H. A. & L. F. Martorell. 2000. Flora of Puerto Rico and adjacent islands: a systematic synopsis, ed. 2. [treats as P. setosum (Sw.) Rich.].
  • Schmelzer, G. H. 1997. Review of Pennisetum section Brevivalvula (Poaceae). Euphytica 97:1–20. [= P. setosum (Sw.) Rich.].
  • Turrill, W. B. et al., eds. 1952–. Flora of tropical East Africa. [= P. polystachion (L.) Schult.].


Check other web resources for Pennisetum polystachion (L.) Schult. subsp. setosum (Sw.) Brunken:

  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • CNWG: Catalogue of New World Grasses Searchable Database
  • Grass Manual on the Web: Manual of Grasses for North America North of Mexico
  • Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops


  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

| USDA | ARS | GRIN | NPGS | New Search |

Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (13 October 2015)

Please send us your comments

Close Window

Ctrl P to print