Taxonomic and floristic novelties for Echeveria (Crassulaceae) in Central Michoacan, Mexico.

A new species, Echeveria coruana, is described and illustrated from the malpaís near San Andrés Corú, Michoacan, Mexico. The species belongs to series Gibbiflorae and the new taxon was compared with Echeveria purhepecha and Echeveria patriotica, with whom it shares the closest morphological affinities. Additionally, Echeveria yalmanantlaensis an endangered species from Sierra of Manantlán Biosphere Reserve, State of Colima, was also discovered near San Andrés Corú and is reported for the first time from the State of Michoacan. The conservation status of both species was (re)evaluated according to the criteria of the International Union for Conservation of Nature.