A New Species of Agrostis (Poaceae, Pooideae, Poeae, Agrostidinae) from the Andean Páramos of Colombia and Ecuador

• Palacio, Patricia Candela ^[1] ; Molina, Ana María ^[3] ; Rúgolo de Agrasar, Zulma Esther ^[2] ; Vega, Andrea Susana ^[1]
  1. [1] Universidad de Buenos Aires

     Universidad de Buenos Aires

     Argentina

     
  2. [2] Instituto de Botânica

     Instituto de Botânica

     Brasil

     
  3. [3] Jardín Botánico Arturo E. Ragonese (JBAER)

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• Localización: Novon: a journal for botanical nomenclature, ISSN 1055-3177, Vol. 28, Nº. 3, 2020, págs. 171-178
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Agrostis laegaardii A. M. Molina & Rúgolo (Poaceae), a new species restricted to the high páramos from Colombia and Ecuador, is described and illustrated. It is morphologically most similar to A. breviculmis Hitchc. but differs in spikelet length, pedicel apex, glume texture, relative distance between upper glume and floret, lemma and palea length, and the presence of an awn on the lemma. Micromorphology of the spikelet is discussed, and a Trichodium net is reported on the epidermis of the lemma. A distribution map and a key to the Colombian and Ecuadorean species of Agrostis L. with contracted inflorescences are provided.