''Piptochaetium'', or speargrass, is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of plants in the

grass family 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 and ...

, native to North and South America. ''Piptochaetium'' is a

bunchgrass Tussock grasses or bunch grasses are a group of grass species in the family Poaceae. They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perennial ...

genus in the tribe

Stipeae The Stipeae are a tribe of grasses within the subfamily Pooidae, with up to 600 described species. Description The defining morphological features of the Stipeae include single-flowered spikelets lacking a rachilla extension, and the lemmas (th ...

.Clayton, W. D., et al. (2006 onwards)
''Piptochaetium''.
GrassBase - The Online World Grass Flora. Some of its species have been included in the genus ''

Stipa ''Stipa'' is a genus of around 300 large perennial hermaphroditic grasses collectively known as feather grass, needle grass, and spear grass. They are placed in the subfamily Pooideae and the tribe Stipeae, which also contains many species form ...

'' by some authors. ; Species''Piptochaetium'', North American species.
USDA PLANTS Profile.''Piptochaetium''.
Germplasm Resources Information Network.Gould, F. W. & R. Moran. 1981. The grasses of Baja California, Mexico. Memoir San Diego Society of Natural History 12: 1–140 * '' Piptochaetium alpinum'' - Santa Catarina,

Rio Grande do Sul Rio Grande do Sul (, , ; "Great River of the South") is a Federative units of Brazil, state in the South Region, Brazil, southern region of Brazil. It is the Federative_units_of_Brazil#List, fifth-most-populous state and the List of Brazilian st ...

* '' Piptochaetium angolense'' -

Coquimbo Coquimbo is a port city, commune and capital of the Elqui Province, located on the Pan-American Highway, in the Coquimbo Region of Chile. Coquimbo is situated in a valley south of La Serena, with which it forms Greater La Serena with more than ...

* '' Piptochaetium angustifolium'' -

Coahuila Coahuila (), formally Coahuila de Zaragoza (), officially the Free and Sovereign State of Coahuila de Zaragoza ( es, Estado Libre y Soberano de Coahuila de Zaragoza), is one of the 32 states of Mexico. Coahuila borders the Mexican states of N ...

Tamaulipas Tamaulipas (), officially the Free and Sovereign State of Tamaulipas ( es, Estado Libre y Soberano de Tamaulipas), is a state in the northeast region of Mexico; one of the 31 states which, along with Mexico City, comprise the 32 Federal Entiti ...

Nuevo León Nuevo León () is a state in the northeast region of Mexico. The state was named after the New Kingdom of León, an administrative territory from the Viceroyalty of New Spain, itself was named after the historic Spanish Kingdom of León. With a ...

México State The State of Mexico ( es, Estado de México; ), officially just Mexico ( es, México), is one of the 32 federal entities of the United Mexican States. Commonly known as Edomex (from ) to distinguish it from the name of the whole country, it is ...

* '' Piptochaetium avenaceum'' — black oatgrass, blackseed needlegrass - United States (

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

north to

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and the ...

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...

, Tamaulipas, Nuevo León * '' Piptochaetium avenacioides'' - Florida speargrass -

* '' Piptochaetium bicolor'' - Rio Grande do Sul, Argentina, Uruguay, Chile incl

Juan Fernández Islands The Juan Fernández Islands ( es, Archipiélago Juan Fernández) are a sparsely inhabited series of islands in the South Pacific Ocean reliant on tourism and fishing. Situated off the coast of Chile, they are composed of three main volcanic i ...

* '' Piptochaetium brachyspermum'' -

Buenos Aires Buenos Aires ( or ; ), officially the Autonomous City of Buenos Aires ( es, link=no, Ciudad Autónoma de Buenos Aires), is the capital and primate city of Argentina. The city is located on the western shore of the Río de la Plata, on South ...

* '' Piptochaetium brevicalyx'' - central + eastern Mexico * '' Piptochaetium burkartianum'' -

Corrientes Corrientes (; Guaraní language, Guaraní: Taragüí, literally: "Currents") is the capital city of the Provinces of Argentina, province of Corrientes Province, Corrientes, Argentina, located on the eastern shore of the Paraná River, about from ...

* '' Piptochaetium cabrerae'' - Buenos Aires * '' Piptochaetium calvescens'' - Buenos Aires, Uruguay * '' Piptochaetium confusum'' - Uruguay, Rio Grande do Sul, Entre Rios * '' Piptochaetium cucullatum'' - Uruguay * '' Piptochaetium featherstonei'' - Peru, Bolivia * '' Piptochaetium fimbriatum'' - pinyon ricegrass -

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

, Texas,

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

, Mexico, Guatemala * '' Piptochaetium hackelii'' - Argentina, Uruguay * '' Piptochaetium hirtum'' - Chile * '' Piptochaetium indutum'' - Ecuador, Peru, Bolivia,

Salta Salta () is the capital and largest city in the Argentine province of the same name. With a population of 618,375 according to the 2010 census, it is also the 7th most-populous city in Argentina. The city serves as the cultural and economic ce ...

Jujuy San Salvador de Jujuy (), commonly known as Jujuy and locally often referred to as San Salvador, is the capital and largest city of Jujuy Province in Argentine Northwest, northwest Argentina. Also, it is the seat of the Doctor Manuel Belgrano Depa ...

* '' Piptochaetium jubatum'' - Uruguay * '' Piptochaetium lasianthum'' - Uruguay, Argentina, Santa Catarina, Rio Grande do Sul * '' Piptochaetium leiopodum'' - Buenos Aires, Uruguay * '' Piptochaetium medium'' - Uruguay, Argentina, Brazil, Venezuela * ''

Piptochaetium montevidense ''Piptochaetium'', or speargrass, is a genus of plants in the grass family, native to North and South America. ''Piptochaetium'' is a bunchgrass genus in the tribe Stipeae.Clayton, W. D., et al. (2006 onwards)''Piptochaetium''.GrassBase - The Onl ...

'' - Uruguayan ricegrass - Argentina, Chile, Uruguay, Brazil, Paraguay, Bolivia, Peru, Ecuador, Venezuela * '' Piptochaetium napostaense'' - Argentina * '' Piptochaetium palustre'' - Santa Catarina * '' Piptochaetium panicoides'' - Argentina, Chile, Uruguay, Brazil, Colombia, Bolivia, Peru, Ecuador, Venezuela * '' Piptochaetium pringlei'' - Pringle's speargrass - Arizona, Texas, New Mexico, Mexico * '' Piptochaetium ruprechtianum'' - Uruguay, Argentina, Brazil * '' Piptochaetium sagasteguii'' - Peru * '' Piptochaetium seleri'' - Mexico, Guatemala * '' Piptochaetium setosum'' - bristly speargrass - Chile * '' Piptochaetium stipoides'' - purple speargrass - Argentina, Chile, Uruguay, Brazil, Colombia; naturalized in Mexico,

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

* '' Piptochaetium tovarii'' - Peru * '' Piptochaetium uruguense'' - Argentina, Uruguay, Santa Catarina, Rio Grande do Sul, Paraguay,

San Luis Potosí San Luis Potosí (), officially the Free and Sovereign State of San Luis Potosí ( es, Estado Libre y Soberano de San Luis Potosí), is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 58 municipalities and i ...

* '' Piptochaetium virescens '' - Mexico, Guatemala ; formerly included see ''

Nassella ''Nassella'', or needlegrass, is a New World genus of over 100 perennial bunchgrasses found from North America through South America. The Latin word ''nassa'' refers to "a basket with a narrow neck". It is usually considered segregate from the ge ...

References

External links

{{Taxonbar, from=Q1807642 Pooideae Poaceae genera Bunchgrasses of North America Bunchgrasses of South America Flora of Central America Grasses of Argentina Grasses of Brazil Grasses of Mexico Grasses of the United States