Synoptic taxonomy of Cortaderia Stapf (Danthonioideae, Poaceae) Testoni, Daniel Linder, H. Peter PhytoKeys 2017 2017-01-11 76 39 69 F50AA3BE-8788-55D0-DC4C-1E1A2E6113F7 Swallen, Sellowia 7: 9. 1956. Swallen, Sellowia 7: 9. 1956. Liliopsida Poaceae Cortaderia CoL Plantae Cortaderia vaginata Poales 16 55 Tracheophyta species vaginata   Type.   Brasil, Santa Catarina, Bom Retiro, Campo dos Padres, 16 Dec. 1948, R. Reitz2398 ( lectotype, designated as holotypeby Connor& Edgar, Taxon23: 603 (1974): US00133444!; isolectotype: HBR).  Etymology.  vagina(Latin) = sheath. Possibly referring to the conspicuous leaf-sheaths, a feature that is common to most of the genus.  Common names. Penacho, Capim-Penacho.  Taxonomy. According to Swallen (1956)this species resembles  Cortaderia parviflora, but differs by the glabrous lemmas and long-villous calli. It is unusual among the species assigned to  Cortaderiaby the glabrous lemma, and the almost glabrous pedicels and inflorescence axes. This species may be a local endemic, and might be quite rare. It is probably most closely related to  Cortaderia modesta, which also has a reduced awn, but differs by the sheaths which are lacerated, lax panicles (without axillary panicles), and the glabrous lemma. Geographically it can be immediately identified as the only  Cortaderiaspecies from Santa Catarina in southern Brazil. The leaf anatomy is identical to that of  Cortaderia modesta, except that all sections appear to have large empty cells in the middle of the leaf (Fig. 2D), between the vascular bundles. These were seen on some sections of  Cortaderia modesta, but rarely. 1948-12-16 Campo dos Padres, R. Reitz, Connor, Edgar, Taxon Brasil Bom Retiro 1 Santa Catarina lectotype