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Oryzoideae
	Rice (Oryza sativa)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Clade:	BOP clade
Subfamily:	Oryzoideae; Kunth ex Beilschm. 1833
Tribes
	Ehrharteae Nevski 1937; Oryzeae Dumort. 1824; Streptogyneae C.E. Hubb. ex Calderón & Sonderstr. 1980; Phyllorachideae C.E. Hubb. 1939;
Synonyms
	Ehrhartoideae Caro 1982; Oryzoideae Caro 1982; Ehrhartineae Link 1827 (unranked); Oryzeae Burmeist. 1837 (unranked);

Oryzoideae (syn. Ehrhartoideae) is a subfamily of the true grass family Poaceae. It has around 120 species in 19 genera, notably including the major cereal crop rice.^[1] Within the grasses, this subfamily is one of three belonging to the species-rich BOP clade, which all use C₃ photosynthesis; it is the basal lineage of the clade.^[2]^[3]

It contains four tribes and one genus of unclear position (incertae sedis): Suddia (thought likely to be in the tribe Phyllorachideae).^[1] Phylogenetic analyses have resolved the branching order of these clades within the subfamily:^[1]

	Bambusoideae (Bamboos)

	Pooideae

Oryzoideae

Streptogyneae

Ehrharteae

	Phyllorachideae

	Oryzeae

References

^ ^a ^b ^c ^d Soreng, Robert J.; Peterson, Paul M.; Romaschenko, Konstantin; Davidse, Gerrit; Teisher, Jordan K.; Clark, Lynn G.; Barberá, Patricia; Gillespie, Lynn J.; Zuloaga, Fernando O. (2017). "A worldwide phylogenetic classification of the Poaceae (Gramineae) II: An update and a comparison of two 2015 classifications". Journal of Systematics and Evolution. 55 (4): 259–290. doi:10.1111/jse.12262. hdl:10261/240149. ISSN 1674-4918.
^ Grass Phylogeny Working Group II (2012). "New grass phylogeny resolves deep evolutionary relationships and discovers C₄ origins". New Phytologist. 193 (2): 304–312. doi:10.1111/j.1469-8137.2011.03972.x. hdl:2262/73271. ISSN 0028-646X. PMID 22115274.
^ Janke, Axel; Zhao, Lei; Zhang, Ning; Ma, Peng-Fei; Liu, Qi; Li, De-Zhu; Guo, Zhen-Hua (2013). "Phylogenomic Analyses of Nuclear Genes Reveal the Evolutionary Relationships within the BEP Clade and the Evidence of Positive Selection in Poaceae". PLOS ONE. 8 (5): e64642. doi:10.1371/journal.pone.0064642. ISSN 1932-6203. PMC 3667173. PMID 23734211.

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[SorengPeterson2017-1] Soreng, Robert J.; Peterson, Paul M.; Romaschenko, Konstantin; Davidse, Gerrit; Teisher, Jordan K.; Clark, Lynn G.; Barberá, Patricia; Gillespie, Lynn J.; Zuloaga, Fernando O. (2017). "A worldwide phylogenetic classification of the Poaceae (Gramineae) II: An update and a comparison of two 2015 classifications". Journal of Systematics and Evolution. 55 (4): 259–290. doi:10.1111/jse.12262. hdl:10261/240149. ISSN 1674-4918.

[gwpgII-2] Grass Phylogeny Working Group II (2012). "New grass phylogeny resolves deep evolutionary relationships and discovers C₄ origins". New Phytologist. 193 (2): 304–312. doi:10.1111/j.1469-8137.2011.03972.x. hdl:2262/73271. ISSN 0028-646X. PMID 22115274.

[JankeZhao2013-3] Janke, Axel; Zhao, Lei; Zhang, Ning; Ma, Peng-Fei; Liu, Qi; Li, De-Zhu; Guo, Zhen-Hua (2013). "Phylogenomic Analyses of Nuclear Genes Reveal the Evolutionary Relationships within the BEP Clade and the Evidence of Positive Selection in Poaceae". PLOS ONE. 8 (5): e64642. doi:10.1371/journal.pone.0064642. ISSN 1932-6203. PMC 3667173. PMID 23734211.

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