''Piptochaetium'', or speargrass, is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of plants in the

grass family 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 ...

, 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 perennia ...

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 ( ...

.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 141 species of large Perennial plant, perennial hermaphrodite, hermaphroditic grasses collectively known as feather grass, needle grass, and spear grass. They are placed in the subfamily Pooideae and the tribe Stipeae, w ...

'' 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 s ...

* '' Piptochaetium angolense'' -

Coquimbo Coquimbo is a port List of cities in Chile, city, Communes of Chile, 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, Chile, La S ...

* '' Piptochaetium angustifolium'' -

Coahuila Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and State Capital is the city of Saltillo; the second largest is Torreón and the thi ...

Tamaulipas Tamaulipas, officially the Free and Sovereign State of Tamaulipas, is a state in Mexico; one of the 31 states which, along with Mexico City, comprise the 32 federal entities of Mexico. It is divided into 43 municipalities. It is located in nor ...

Nuevo León Nuevo León, officially the Free and Sovereign State of Nuevo León, is a Administrative divisions of Mexico, state in northeastern Mexico. The state borders the Mexican states of Tamaulipas, Coahuila, Zacatecas, and San Luis Potosí, San Luis ...

México State The State of Mexico, officially just Mexico, is one of the 32 federal entities of the United Mexican States. Colloquially known as Edomex (from , the abbreviation of , and ), to distinguish it from the name of the whole country, it is the mos ...

* ''

Piptochaetium avenaceum ''Piptochaetium avenaceum'', commonly called black oat grass, blackseed needle grass or blackseed speargrass, is a species of perennial bunchgrass native to eastern North America. It is a member of the grass family Poaceae. Distribution ''Piptoc ...

'' — black oatgrass, blackseed needlegrass - United States (

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

north to

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

Michigan Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

, Tamaulipas, Nuevo León * ''

Piptochaetium avenacioides ''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 ...

'' - Florida speargrass -

* ''

Piptochaetium bicolor ''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 ...

'' - Rio Grande do Sul, Argentina, Uruguay, Chile incl

Juan Fernández Islands The Juan Fernández Islands () 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 islands: Robinson Crusoe Island, R ...

* ''

Piptochaetium brachyspermum ''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 ...

'' -

Buenos Aires Buenos Aires, controlled by the government of the Autonomous City of Buenos Aires, is the Capital city, capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− glob ...

* ''

Piptochaetium brevicalyx ''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 ...

'' - central + eastern Mexico * ''

Piptochaetium burkartianum ''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 ...

'' -

Corrientes Corrientes (; Guaraní: Taragui, literally: "Currents") is the capital city of the province of Corrientes, Argentina, located on the eastern shore of the Paraná River, about from Buenos Aires and from Posadas, on National Route 12. It has ...

* '' 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 ''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 ...

'' - pinyon ricegrass -

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

, Texas,

New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...

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

Salta Salta () is the capital and largest city in the Provinces of Argentina, Argentine province of Salta Province, the same name. With a population of 618,375 according to the 2010 census, it is also the List of cities in Argentina, 7th most-populous ...

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 northwest Argentina. Also, it is the seat of the Doctor Manuel Belgrano Department. It lies near ...

* '' 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 Poaceae, 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 ...

'' - 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 ''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 ...

'' - 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 that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

* '' 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, is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 59 municipalities and is named after its capital city, San Luis Potosí. It ...

* '' 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

{{Authority control Stipeae 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