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Boletín de la Sociedad Argentina de Botánica
versión On-line ISSN 1851-2372
Resumen
TESTONI, Daniel. Estudios en el género Cortaderia (Poaceae): II. Cortaderia atacamensis, nuevo sinónimo de C. speciosa. Bol. Soc. Argent. Bot. [online]. 2015, vol.50, n.1, pp.115-119. ISSN 1851-2372.
In this contribution to the systematics of the genus Cortaderia the synonymization of C. atacamensis and C. speciosa is proposed. Until now the binomial Cortaderia atacamensis has been considered a synonym of C. jubata. Nevertheless, the study of the type specimens and original descriptions, complemented with field studies, demonstrated that C. atacamensis is a synonym of C. speciosa (a species native to the desertic regions from Peru to northern Argentina and Chile), rather than of C. jubata (a species typical of the Andean forests from Colombia to northern Argentina). A morphological characterization and a key to separate the two species are provided.
Palabras clave : Argentina; Chile; Cortaderia atacamensis; Cortaderia jubata; Cortaderia speciosa; Poaceae.