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Bromus auleticus

Scientific Name: Bromus auleticus

Family: Poaceae

Category: Monocot

Growth:

Duration:

Other Names:

       

Bromus auleticus: A Forage Grass of the Southern Cone

Bromus auleticus, also known as Cebadilla or Cebadilla chaquea, is a perennial grass species recognized for its forage qualities, particularly in the Southern Cone of South America.

Taxonomy and Nomenclature

  • Scientific Name: Bromus auleticus Trin. ex Nees
  • Family: Poaceae (Grass family)
  • Genus: Bromus
  • Common Names: Cebadilla, Cebadilla chaquea
  • Authors: Trinius, Carl Bernhard von; Nees von Esenbeck, Christian
  • Synonyms: The text references "Bromus auleticus Trin. ex Nees C. F. P. von Martius et al., Fl. bras. enum. pl. 2(1):468. 1829 (Agrost. bras.)" which may be considered as a basionym reference.

Distribution and Habitat

  • Bromus auleticus is native to South America, specifically found in southern Brazil, Uruguay, and Argentina.
  • In Argentina, it's reported in the provinces of Buenos Aires, Córdoba, Corrientes, Entre Ríos, and La Pampa.
  • It is known for its ability to produce forage in the autumn-winter, a period of scarce animal feed in the south of Brazil.

Morphological Characteristics

  • Bromus auleticus is a perennial caespitose grass, meaning it grows in tufts or clumps.
  • It may have short rhizomes or lack them entirely.
  • The sheaths at the base of the culm (stem) are persistent and fibrous.

Ecological Role

  • Bromus auleticus is recognized as a valuable forage species, especially in the Southern Cone.
  • It has good nutritional quality during the critical autumn-winter period.
  • The text mentions the presence of Neotyphodium endophytes which affect the plant's interaction with its environment.

Genetic and Cytological Information

  • The chromosome number of Bromus auleticus is reported as 2n = 6x = 42, indicating it is a hexaploid.

Interactions with Other Organisms

  • The grass can host Neotyphodium endophytes, with research focusing on their protective role against pathogens.

Further Information

  • GRIN Taxonomy checklist: Provides taxonomic information about Bromus auleticus.
  • DOAJ (Directory of Open Access Journals): Indexes the article "Chromosomes of Bromus auleticus Trin. ex Nees (Poaceae)".
  • USDA, ARS, National Genetic Resources Program: Provides germplasm information.