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''Agave'' × ''arizonica'' is a rare plant, endemic to Arizona. It is a hybrid between two species of '' Agave'' in the family 
Asparagaceae
Asparagaceae, known as the asparagus family, is a family of flowering plants, placed in the order Asparagales of the monocots. The family name is based on the edible garden asparagus, ''Asparagus officinalis''. Those who live in the temperate c ...
, '' A. chrysantha'' and '' A. toumeyana'' var. ''bella''. It was discovered in the 1960s near a summit of the New River Mountains, near the Maricopa-Yavapai county line north of Phoenix, Arizona.
''Agave'' × ''arizonica'' is a small plant about 30 cm high and 40 cm broad. Although similar to ''Agave utahensis
''Agave utahensis'' is a species of agave known by the common name Utah agave.
Varieties of the species include the Nevada agave and Kaibab agave.
It is an uncommon plant of the United States' desert southwest, in the states of Utah, Nevada, Ar ...
'', it has distinct differences in suckering more sparingly, in not forming a large dense clump, having leaves with a distinct dark brown margin and also more cylindrical flowers. Its flowers are yellow, with 10-20 per cluster, each up to 3.5 cm (1.4 in) long.Gentry, H. S. 1982. Agaves of Continental North America. Tucson.
References
arizonica Flora of Arizona Interspecific plant hybrids Plants described in 1970 {{Asparagaceae-stub