New species of Brayopsis, Descurainia, Draba, Neuontobotrys and Weberbauera (Brassicaceae) from Peru

Summary: Six new species of Brassicaceae (Brayopsis chacasensis Al-Shehbaz & A. Cano, Descurainia canoensis Al-Shehbaz, Draba canoensis Al-Shehbaz, Trinidad, Ed. Navarro & D. Rodr.-Paredes, D. punoensis Al-Shehbaz, Ed. Navarro, Trinidad & A. Cano, Neuontobotrys camanaensis Al-Shehbaz & A. Cano, and Weberbauera ayacuchoensis Al-Shehbaz, A. Cano & Trindad) are described and illustrated, and their distinguishing characters from nearest relatives are discussed. Brief notes on the diversity of these five genera in South America, especially Peru, are discussed.