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'''Oryza''' is a genus of 15-20 species of grasses in the subfamily Oryzoideae, native to tropical and subtropical regions of Asia and Africa. They are tall wetland grasses, growing to 1-2 m tall; the genus includes both annual and perennial species.
One species, Rice (''O. sativa''), is a food crop of major global importance.
;Selected species

★ ''Oryza barthii''

★ ''Oryza glaberrima''

★ ''Oryza latifolia''

★ ''Oryza longistaminata''

★ ''Oryza punctata''

★ ''Oryza rufipogon''

★ ''Oryza sativa''