Taxonomic Revision of the Genus Podagrostis (Poaceae, Pooideae, Poeae)

MOLINA, ANA MARÍA; RÚGOLO, ZULMA E.; DE LOS ÁNGELES FERRERO, MARÍA; PALACIO, PATRICIA C.; GUERREIRO, CAROLINA; VEGA, ANDREA S.

ANNALS OF THE MISSOURI BOTANICAL GARDEN

MISSOURI BOTANICAL GARDEN

Año: 2021 vol. 106 p. 245 - 270

0026-6493

A taxonomic revision of the genus Podagrostis (Griseb.) Scribn. & Merr. is presented, including two new combinations: P. meridensis(Luces) A. M. Molina & Rúgolo and P. novogaliciana (McVaugh) A. M. Molina & Rúgolo. Podagrostis bacillata (Hack.)Sylvester & Soreng constitutes a new report for Colombia. Information regarding synonymy, geographical distribution, habitat,iconography, and vernacular names is provided along with complete illustrations and a list of additional specimens examined.A key for the identification of the species is included as well as a comparative table based on macro- and micromorphologicaldata. The anatomical character of Trichodium net on lemma epidermis, as well as its diagnostic value, is discussed in speciesof Podagrostis and most related genera (e.g., Agrostis L., Chaetotropis Kunth, and Polypogon Desf., among others).