Dasylirion leiophyllum

Dasylirion leiophyllum is a species of flowering plant in the asparagus family known by the common names green sotol, smooth-leaf sotol, and smooth sotol. It is native to North America, where it occurs in Chihuahua and Coahuila in Mexico and New Mexico and western Texas in the United States. It was first collected by Valery Havard in 1880 and was described by William Trelease in 1911. This plant is a succulent shrub with a trunk up to a meter long growing erect or reclining. The shiny, bright green, fibrous leaves are narrow, long, and pointed, growing up to 80 centimeters long by 2.5 wide. The margins have prickles. Mature specimens may wear a sheath of dead leaves from previous seasons around the trunk. The inflorescence is about 30 centimeters long and is borne atop a stalk which can reach five meters in height. The species is dioecious, with male and female reproductive structures on separate individuals. The many tiny flowers have whitish or greenish tepals about 2 millimeters in ......read more on Wikipedia.