Triraphideae is a small

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide use of the term in English is in the discipline of anthropology. The definition is contested, in part due to conflict ...

of tropical

grasses Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivated in ...

, containing about 15 species in three or four genera. Like most of the subfamily

Chloridoideae Chloridoideae is one of the largest subfamily, subfamilies of Poaceae, grasses, with roughly 150 genera and 1,600 species, mainly found in arid tropical or subtropical grasslands. Within the PACMAD clade, their sister group is the Danthonioideae. ...

, species in the tribe use the C₄ photosynthetic pathway.

Genera

Three genera were included in a 2015 classification of the Poaceae: *'' Habrochloa'' C.E.Hubb. *'' Neyraudia'' Hook.f. *''

Triraphis ''Triraphis'' is a genus of African, Arabian, Australian, and Brazilian plants in the grass family. Needlegrass is a common name for plants in this genus. ; Species * '' Triraphis andropogonoides'' (Steud.) E.Phillips, - South Africa, Botswana, ...

'' R.Br. , GRIN Taxonomy included a fourth genus: *''

Nematopoa ''Nematopoa'' is a genus of African plants in the grass family. The only known species is ''Nematopoa longipes'', native to Zambia and Zimbabwe file:Zimbabwe, relief map.jpg, upright=1.22, Zimbabwe, relief map Zimbabwe, officially the Re ...

'' C.E.Hubb.

References

Chloridoideae Poaceae tribes {{Chloridoideae-stub