Agave shrevei is a member of the family Asparagaceae, indigenous to the Sierra Madre Occidental in Mexico, along the boundary between the states of Chihuahua and Sonora. Two subspecies are currently recognized, although a third has been proposed (A. shrevei subsp. magna H.S. Gentry).
Agave shrevei subsp. matapensis grows as an open basal rosette of 0.7-0.8 inch long, 0.2-0.3 inch wide leaves bearing distinct compaction marks, fringed in small pale spines and tipped with particularly long apical needles ...
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