Tristachyideae is a

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

of the

Panicoideae Panicoideae is the second-largest subfamily of the grasses with over 3,500 species, mainly distributed in warm temperate and tropical regions. It comprises some important agricultural crops, including sugarcane, maize (or corn), sorghum, and swit ...

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

in the grasses (

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

), native to

tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...

and

subtropical The subtropical zones or subtropics are geographical zone, geographical and Köppen climate classification, climate zones to the Northern Hemisphere, north and Southern Hemisphere, south of the tropics. Geographically part of the Geographical z ...

regions of

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...

, and

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

. There are around 70 species in eight genera. The tribe belongs to a basal lineage within the subfamily, and its genera were previously placed in tribes

Arundinelleae Arundinelleae is a tribe of grasses with roughly 90 species in three genera, mainly distributed in tropical and subtropical areas. The tribe's sister group are the Andropogoneae The Andropogoneae, sometimes called the sorghum tribe, are a larg ...

Paniceae Paniceae is a large tribe of the subfamily Panicoideae in the grasses (Poaceae), the only in the monotypic supertribe Panicodae. It includes roughly 1,500 species in 84 genera, primarily found in tropical and subtropical regions of the world. Pan ...

, subfamily

Arundinoideae The Arundinoideae are a subfamily of the true grass family Poaceae with around 40 species, including giant reed and common reed. Unlike many other members of the PACMAD clade of grasses, the Arundinoideae all use C3 photosynthesis. Their sister ...

, or the now-obsolete subfamily Centothecoideae. Species in this tribe use the C₄ photosynthetic pathway.

Genera

*''

Danthoniopsis ''Danthoniopsis'' is a genus of Asian and African plants in the grass family. ; Species * '' Danthoniopsis acutigluma'' Chippind. - Zaïre, Zambia * '' Danthoniopsis aptera'' R.I.S.Correia & Phipps - Angola * '' Danthoniopsis barbata'' (Nees) C ...

'' *''

Dilophotriche ''Dilophotriche'' is a genus of West African plants in the grass family. ; Species * '' Dilophotriche occidentalis'' Jacq.-Fél. - Guinea * '' Dilophotriche pobeguinii'' Jacq.-Fél. - Guinea, Guinea-Bissau, Senegal, Burkina Faso * '' Dilopho ...

'' *''

Gilgiochloa ''Gilgiochloa'' is a genus of African plants in the grass family. The genus is named after German botanist Ernest Friedrich Gilg (1867–1933) by Robert Knud Friedrich Pilger. The only known species is ''Gilgiochloa indurata'', native to Rw ...

'' *''

Loudetia ''Loudetia'' is a genus of African, Arabian, and South American plants in the grass family.Loudetiopsis ''Loudetiopsis'' is a genus of African and South American plants in the Poaceae, grass family.Jacques-Félix, Henri. 1960. Journal d'Agriculture Tropicale et de Botanique Appliquée 7: 408Conert, Hans Joachim. 1957. Botanische Jahrbücher für ...

'' *'' Trichopteryx'' *''

Tristachya ''Tristachya'' (common name trident grasses) is a genus of African and Latin American plants in tribe Tristachyideae within the grass family. ; Species ; formerly included see ''Danthoniopsis Dilophotriche Loudetia Loudetiopsis ''Loudetiopsi ...

'' *'' Zonotriche''

References

External links

* * Panicoideae Poaceae tribes {{Panicoideae-stub