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A new species of the South American genus Nassauvia (Compositae: Mutisieae) from Chilean Patagonia

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Abstract

Nassauvia coronipappa Arroyo & Marticorena, from Cerro Donoso in eastern Chilean Patagonia, is described and illustrated. It is distinguished by trifid inner involucral bracts and persistent, brief, laciniate-dentate, crown-like pappus incompletely surrounding summit of the achene. The distinctive pappus may be related to selection, in harsh alpine habitats, against dispersal away from nurse sites.Nassauvia coronipappa belongs to subgenusNassauvia. It is seen as a relict member of an independent line of evolution, whose closest affinities are with sectionNassauvia of that subgenus.

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Literature Cited

  • Arroyo, M. T. K., C. Marticorena & O. Dollenz. 1985. New records for the flora of Chile based on an expedition to the Sierra de los Baguales, Ultima Esperanza, Patagonia. Gayana, Bot. 42: 41–45.

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  • Cabrera, A. 1982. Revisión del géneroNassauvia (Compositae). Darwiniana 24: 283–397.

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Authors and Affiliations

  1. Departmento de Biología, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago, Chile)

    Mary T. Kalin Arroyo

  2. Departamento de Botánica, Facultad de Ciencias Biológicas y de Recursos Naturales, Universidad de Concepción, Casilla 2407, Concepción, Chile

    Clodomiro Marticorena

Authors
  1. Mary T. Kalin Arroyo
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  2. Clodomiro Marticorena
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Kalin Arroyo, M.T., Marticorena, C. A new species of the South American genus Nassauvia (Compositae: Mutisieae) from Chilean Patagonia. Brittonia 40, 332–334 (1988). https://doi.org/10.2307/2807485

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  • DOI: https://doi.org/10.2307/2807485

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