Bouteloua parryi, colloquially known as Parry's grama, is a grass species in the grama genus native to the southwestern United States and northern Mexico.
Description Parry's grama is annual grass that grows tall, although sometimes to . Flowers are born in inflorescences which consist of three to seven spicate branches per culm. They are blue-violet at maturity.
Taxonomy Several varieties exist. B. parryi var. parryi is a stoloniferous perennial which has papillose hairs on its upper glumes. B. parryi var. gentryi differs in being a tufted annual.
Distribution Parry's grama prefers rocky slopes or desert grasslands between and , although it can grow anywhere between sealevel and . It is present in Texas, Arizona, New Mexico, and northern Mexico.
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