Tripogon nicorae var. aristulata (Poaceae), a new variety from Peru Author Gutiérrez, Harol 0000-0002-0601-6121 Dirección General de Diversidad Biológica, Ministerio del Ambiente, Lima, Perú. & Universidad Científica del Sur, Lima, Perú. & gutierrezpe 5 @ hotmail. com; https: // orcid. org / 0000 - 0002 - 0601 - 6121 gutierrezpe5@hotmail.com Author Castañeda, Roxana 0000-0003-3023-4740 Universidad Científica del Sur, Lima, Perú. & rcastanedas @ cientifica. edu. pe; https: // orcid. org / 0000 - 0003 - 3023 - 4740 rcastanedas@cientifica.edu.pe Author Gonzales, Teresa 0000-0003-2945-3874 Facultad de Ciencias de Ingeniería, Universidad Nacional de Huancavelica, Huancavelica, Perú & tgh _ quira @ hotmail. com; https: // orcid. org / 0000 - 0003 - 2945 - 3874 tgh_quira@hotmail.com Author Mendez, Alejandrina Sotelo- 0000-0002-6992-4821 Facultad de Zootecnia, Universidad Nacional Agraria La Molina, Lima, Perú. & asotelo @ lamolina. edu. pe; https: // orcid. org / 0000 - 0002 - 6992 - 4821 asotelo@lamolina.edu.pe Author Peterson, Paul M. 0000-0001-9405-5528 Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, D. C., 20013 - 7012, U. S. A. & peterson @ si. edu; https: // orcid. org / 0000 - 0001 - 9405 - 5528 peterson@si.edu text Phytotaxa 2021 2021-10-15 523 1 110 115 journal article 3998 10.11646/phytotaxa.523.1.7 fd46e672-7c7d-4579-a7a9-0209e50fc3c6 1179-3163 5572043 Key to Tripogon and Tripogonella in Peru including infraspecific taxa 1. Upper glumes 1.4−2.4 mm long, lower glumes 1–2 mm long, lemma apex truncate ....................................... Tripogonella spicata - Upper glumes 2.6−3.5 mm long, lower glumes 2–2.5 mm long, lemma apex bilobed......................................................................2 2. Paleas 0.4−0.5 mm wide, apex bilobed with two excurrent veins, keel of the lower glume scabrous ................................................ .......................................................................................................................................................... Tripogon nicorae var. aristulata - Paleas (0.6–) 0.9–1.4 mm wide, apex incised without awns, keel of the lower glume smooth ........... Tripogon nicorae var. nicorae