Jalisco the blue agave plant. It is the most famous type of mezcal produced in Mexico, and the only mezcal which is produced industrially with strict standards. The tequila industry supports large scale cultivation of the blue agave, with about 200,000 people employed through it directly or indirectly. It is named after a small town northwest of the city of Guadalajara in the center of where it is produced and the native region of the blue agave. The plant was used in pre-Hispanic times to make a ceremonial drink. The Spanish used the sweet heart of the mature plant, called a
Agave moisture from rain, condensation and dew. In addition to growing from seeds, most agaves produce 'pups' – young plants from runners. "Agave vilmoriniana" (the octopus agave) produces hundreds of pups on its bloom stalk. Agave leaves store the plant's water and are crucial to its continued existence. The coated leaf surface prevents evaporation. The leaves also have sharp, spiked edges. The spikes discourage predators from eating the plant or using it as a source of water and are so tough that ancient peoples used them for sewing needles. The sap is acidic. Some agaves bloom at a height up to