Bouteloua

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Grama grass
Bouteloua curtipendula.jpg
Bouteloua curtipendula
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Chloridoideae
Tribe: Cynodonteae
Subtribe: Boutelouinae
Stapf
Genus: Bouteloua
Lag. 1805 not Hornem. ex P. Beauv. 1812 [1] [2]
Type species
Bouteloua racemosa
Synonyms [1] [3]
List of synonyms
  • ActinochloaRoem. & Schult.
  • AntichloaSteud., name not validly published
  • Aristidium(Endl.) Lindl.
  • AtheropogonMuhl. ex Willd.
  • BoteluaLag., alternate spelling
  • BuchloeEngelm.
  • BuchlomimusReeder, C.Reeder & Rzed.
  • BulbilisRaf. ex Kuntze
  • CalantheraHook., illegitimate homonym
  • CasiostegaGaleotti, name not validly published
  • CorethrumVahl
  • CyclostachyaReeder & C.Reeder
  • ErucariaCerv.
  • EutrianaTrin.
  • FournieraScribn.
  • GriffithsochloaG.J.Pierce
  • HeterostecaDesv.
  • LasiostegaBenth., illegitimate homonym
  • NestleraSteud., illegitimate homonym
  • OpiziaJ.Presl
  • PentarrhaphisKunth
  • PleiodonRchb.
  • PolyodonKunth
  • PolyschistisC.Presl
  • PringleochloaScribn.
  • SoderstromiaC.V.Morton
  • StrombodurusSteud., name not validly published
  • TriaenaKunth
  • TriatheraDesv.
  • Triplathera(Endl.) Lindl.

Bouteloua is a genus of plants in the grass family. [4] [5] Members of the genus are commonly known as grama grass. [6]

Contents

Taxonomy and systematics

The genus was named for Claudio and Esteban Boutelou, 19th-century Spanish botanists. [7] [8] David Griffiths produced a 1912 monograph on the genus. [9]

Description

The top of a hairy grama (Bouteloua hirsuta) flower spike, showing the flattened rachis Bouteloua hirsuta (4087876904).jpg
The top of a hairy grama (Bouteloua hirsuta) flower spike, showing the flattened rachis

Bouteloua includes both annual and perennial grasses, which frequently form stolons. [9] Species have an inflorescence of 1 to 80 racemes or spikes positioned alternately on the culm (stem). The rachis (stem) of the spike is flattened. The spikelets are positioned along one side of the spike. Each spikelet contains one fertile floret, and usually one sterile floret. [10]

Distribution

Bouteloua is found only the Americas, with most diversity centered in the southwestern United States. [9] It also occurs in the Ciénaga de Zapata Biosphere Reserve of Cuba. [11]

Uses

Many species are important livestock forage, especially blue grama. [9]

Species

Species of Bouteloua include: [3] [6] [12] [13] [14]

Formerly included

Some grass species, formerly classified under Bouteloua, have been reclassified under other genera including: [3]

See also

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References

  1. 1 2 "Bouteloua". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 2018-07-13.
  2. "Bouteloua". Tropicos . Missouri Botanical Garden.
  3. 1 2 3 "Bouteloua". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  4. Lagasca y Segura, Mariano. 1805. Variedades de Ciencias, Literatura y Artes 2(4,21): 134
  5. Watson L, Dallwitz MJ. (2008). "The grass genera of the world: descriptions, illustrations, identification, and information retrieval; including synonyms, morphology, anatomy, physiology, phytochemistry, cytology, classification, pathogens, world and local distribution, and references". The Grass Genera of the World. Retrieved 2009-08-19.
  6. 1 2 "Bouteloua". Integrated Taxonomic Information System . Retrieved 2011-03-04.
  7. Peterson, P. M. & Y. Herrera-Arrieta. 2001. Bouteloua. In Catalogue of New World Grasses (Poaceae): II. Subfamily Chloridoideae. Contributions from the United States National Herbarium 41: 20–33
  8. Gould, F. W. 1980. The genus Bouteloua (Poaceae). Annals of the Missouri Botanical Garden 66(3): 348–416
  9. 1 2 3 4 Gould, Frank W. (1951). Grasses of Southwestern United States. pp. 139–140.{{cite book}}: |work= ignored (help)
  10. Sun, Bi-xing; Phillips, Sylvia M. "Bouteloua". Flora of China. Vol. 22 via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  11. Ciénaga de Zapata National Park, on whc.unesco.org.
  12. "Species Records of Bouteloua". Germplasm Resources Information Network. United States Department of Agriculture. Archived from the original on 2009-05-08. Retrieved 2011-03-04.
  13. "Bouteloua". County-level distribution maps from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  14. Gould, F. W. & R. Moran. 1981. The grasses of Baja California, Mexico. Memoir San Diego Society of Natural History 12: 1–140