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]
| 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 | |
| |
| Synonyms[1] | |
| |
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]