Agave inaequidens
This species is a silvestre or wild version of the Agave hookeri. When cultivated it can be significantly larger than its wild version. It is also used for pulque production. Common varieties include Alto, Bruto and Lechuguilla.
Inaequidens loves volcanic soul and grows primarily in the Estado de Mexico where it is used for production of pulque and aguamiel, and in Jalisco where it is used in the production of Raicilla. A hybrid variety can be found in Michoacan where it is used in the production of mezcal and pulque. The pencas are long and curved and be a brilliant green or slightly yellow. The needles around the pencas alternate between large and small. It can grow to up to seven meters or 22 feet and flowers from December to March. Generally it only reproduces via seed, but the hybrid in Michoacan can also reproduce via hijuelos.