Dasylirion durangense

Dasylirion durangense, common name "sotol," is a perennial plant in the family Asparagaceae, native to Durango, Chihuahua and Sonora, Mexico. It is closely related to D. wheeleri S. Wats. and considered a variety of that species by some authors. The plant has a large basal rosette of long stiff leaves over 1 m in length, bearing sharp, curved spines along the margins. The flowering stalk can be up to 3 m tall, bearing small wind-pollinated flowers. Some publications misspell the epithet as "duranguense" or "duranguensis." "Durangense" is correct....read more on Wikipedia.