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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. 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.

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

References

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.
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.
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.

v t e Grasses (Poaceae or Gramineae)
Morphology	Awn Caryopsis Culm Ligule Spikelet Tiller Tussock
Ecology	Bamboo C4 carbon fixation Graminivore Grassland Reed bed Savanna Steppe
Subfamilies	Early-diverging BOP clade PACMAD clade Anomochlooideae Pharoideae Puelioideae Bambusoideae (bamboos) Oryzoideae Pooideae Aristidoideae Arundinoideae Chloridoideae Danthonioideae Micrairoideae Panicoideae
Uses	Food Construction Landscaping Other Cereals Bamboo shoots Lemongrass Sugarcane Bamboo scaffolding Sod roof Thatching Lawn Ornamental grass Pasture Turf Bamboo musical instruments Bamboo textiles Switchgrass
Agrostology · List of Poaceae genera · see also: Graminoid · Graminid clade

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