Resumo

TESTONI, Daniel. Estudios en el género Cortaderia (Poaceae): III. Cortaderia peruviana, nuevo sinónimo de C. hieronymi. Bol. Soc. Argent. Bot. [online]. 2016, vol.51, n.2, pp.359-365. ISSN 1851-2372.

Cortaderia hieronymi and C. peruviana have been considered as two different species. However, different authors differ in their morphological limits and their geographical distribution. A Principal Components Analysis based on characters traditionally used to delimit these species did not show discrete groupings for each taxon. In addition, the study of type species and their original descriptions, complemented with field studies, allows to establish that C. peruviana is part of the morphological variability of C. hieronymi; therefore, their synonymy is proposed herein. A detailed characterization and geographic distribution of the species is given.

Palavras-chave : Cortaderia; Multivariate analysis; Lamprothyrsus; Poaceae; Systematics.

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