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

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

See other conspecific taxa:

• Pennisetum polystachion (3 accessions)
• Pennisetum polystachion subsp. atrichum (no accessions)
• Pennisetum polystachion subsp. polystachion (no accessions)

Economic importance:

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

Distributional range:

• AFRICA
  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

• ASIA-TROPICAL
  Indian Subcontinent: Bangladesh; India
  Indo-China: Cambodia; Laos; Myanmar; Thailand; Vietnam
  Malesia: Indonesia; Malaysia
• NORTHERN AMERICA
  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
• PACIFIC
  Southwestern Pacific: Fiji
• SOUTHERN AMERICA
  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

• ASIA-TEMPERATE
  Eastern Asia: Taiwan
• ASIA-TROPICAL
  Indian Subcontinent: India
  Indo-China: Thailand
• PACIFIC
  Southwestern Pacific: Fiji

• exact native range obscure

References:

• 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.].

Synonyms:

• (≡) Cenchrus setosus Sw. (basionym)
  
• (≡) Pennisetum setosum (Sw.) Rich.
  (previously associated with 19 accessions)

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

Images:

• GRIN Images of germplasm accessions.
• Inflorescence branch: U.S. National Seed Herbarium image
• Spikelets and/or florets: U.S. National Seed Herbarium image

More:

• 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

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