Primer registro de Agave sisalana (Agavaceae, Asparagales) para Colombia

Agave sisalana Perrine, a native species from Yucatán Peninsula (Mexico), is recorded for the first time for Colombia. It is morphologically related to Agave fourcroydes Lem. and Agave pax Giraldo-Cañas, but clearly differs from it in various vegetative and reproductive characteristics, which are given. Thus, a total of ten species of Agave are currently known in South America, seven are native and three are naturalized. A key for the South American species is included.