Hordeum arizonicum is a species of wild barley known by the common name Arizona barley. It is native to northern Mexico and the southwestern United States, where it grows in wet spots in desert regions, such as irrigation ditches. It can grow in somewhat saline soils. This is an annual or perennial grass forming erections 20 to 70 cm high. The inflorescence is a spike up to about 12 cm long made up of spikelets up to about 3 cm long each, usually tipped with awns.

Hordeum arizonicum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Hordeum
Species:
H. arizonicum
Binomial name
Hordeum arizonicum
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