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

MOLINA, ANA MARÍA; RÚGOLO, ZULMA E.; ÁNGELES FERRERO, MARÍA DE LOS; 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 micromorphological data. The anatomical character of Trichodium net on lemma epidermis, as well as its diagnostic value, is discussed in species of Podagrostis and most related genera (e.g., Agrostis L., Chaetotropis Kunth, and Polypogon Desf., among others).