Agave maintenance once established. "Agave azul" (blue agave) is used in the production of tequila. In 2001, the Mexican Government and European Union agreed upon the classification of tequila and its categories. All 100% blue agave tequila must be made from the "Agave tequilana" 'Weber's Blue' agave plant, to rigorous specifications and only in certain Mexican states. The hybridized genus ×"Mangave" is created by cross-breeding species of "Manfreda" and "Agave". The ethnobotany of the agave was described by William H. Prescott in 1843: But the miracle of nature was the great Mexican aloe, or maguey, whose clustering pyramids of flowers, towering
Agave angustifolia Agave angustifolia Agave angustifolia (Caribbean agave) is a plant which is native to Mexico and Central America. It is used to make mezcal and also as an ornamental plant, particularly the cultivar 'Marginata'. The "World Checklist of Selected Plant Families" regards "Agave angustifolia" as an illegitimate synonym for "Agave vivipara" L. Other sources maintain them as distinct species with non-overlapping native distributions (García-Mendoza and Fernando Chiang 2003). "A. angustifolia" has narrow, stiffly erect leaves with moderately-spaced spines, producing capsules, not bulibiferous; whereas "A. vivipara" is described as having shorter, recurved leaves with short-spaced spines and bulbiferous. "A. vivipara" is likely