Rosettes 1.8-3 dm. Leaves 12-30 × 1-2.5 cm; marginal teeth 2.5-4 mm; apical spine grayish, slender, 2-4 cm. Scape 1.7-4 m. Flowering late winter--early summer. Calcareous outcrops with desert scrub; 600--1400 m; Ariz., Nev., Utah.

Leaves: light to dark green, the terminal spine 2-4 cm long. NOTES: See also parent taxon. Open rocky, usually limestone slopes of Mohave and Great Basin desert scrub and Great Basin grassland: Coconino, Mohave cos; 1100-1700 m (3600-5500 ft); May-Jun; se NV, sw UT. Plants near Burro Creek, Mohave Co., are unusual and may represent hybridization involving this taxon (or A. utahensis ssp. kaibabensis) and A. mckelveyana in Mohave Co. REFERENCES: Hodgson, Wendy. 1999. Agavaceae. Ariz. – Nev. Acad. Sci. 32(1).