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Genus of plants
Piptochaetium , or speargrass ,
[3] is a
genus of plants in the
grass family , native to North and South America. Piptochaetium is a
bunchgrass genus in the tribe
Stipeae .
[4]
[5]
[6]
[7]
[8]
Some of its species have been included in the genus
Stipa by some authors.
[9]
[10]
Species
[2]
[11]
[12]
[13]
[14]
[15]
Piptochaetium alpinum -
Santa Catarina ,
Rio Grande do Sul
Piptochaetium angolense -
Coquimbo
Piptochaetium angustifolium -
Coahuila ,
Tamaulipas ,
Nuevo León ,
México State
Piptochaetium avenaceum — black oatgrass, blackseed needlegrass - United States (
Texas to
Florida north to
Massachusetts +
Michigan ),
Ontario , Tamaulipas, Nuevo León
Piptochaetium avenacioides - Florida speargrass -
Florida
Piptochaetium bicolor - Rio Grande do Sul, Argentina, Uruguay, Chile incl
Juan Fernández Islands
Piptochaetium brachyspermum -
Buenos Aires
Piptochaetium brevicalyx - central + eastern Mexico
Piptochaetium burkartianum -
Corrientes
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 , Texas,
New Mexico , Mexico, Guatemala
Piptochaetium hackelii - Argentina, Uruguay
Piptochaetium hirtum - Chile
Piptochaetium indutum - Ecuador, Peru, Bolivia,
Salta ,
Jujuy
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 - 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
Piptochaetium tovarii - Peru
Piptochaetium uruguense - Argentina, Uruguay, Santa Catarina, Rio Grande do Sul, Paraguay,
San Luis Potosí
Piptochaetium virescens - Mexico, Guatemala
formerly included
[2]
see
Nassella
Stipa
^
Tropicos, Piptochaetium J. Presl
^
a
b
c
Kew World Checklist of Selected Plant Families
^
USDA, NRCS (n.d.).
"Piptochaetium " . The PLANTS Database (plants.usda.gov) . Greensboro, North Carolina: National Plant Data Team. Retrieved 6 October 2015 .
^ Clayton, W. D., et al. (2006 onwards).
Piptochaetium . GrassBase - The Online World Grass Flora.
^
Presl, Jan Svatopluk. 1830. Reliquiae Haenkeanae 1: 222 in Latin
^
Presl, Jan Svatopluk. 1830. Reliquiae Haenkeanae 1: plate XXXVII (37), figures 1-7 at left line drawings of
^ Mujica-Salles, J. & M. Marchi. 1993. Caracteres de valor taxonómico en el género Piptochaetium Presl (Poaceae-stipeae) y su relacion con la distribución de las especies brasileras. Candollea 48(1): 1–13
^ Cialdella, A. M. & M. Arriaga. 1998. Revisión de las especies Sudamericanas del género Piptochaetium (Poaceae, Pooideae, Stipeae). Darwiniana 36(1–4): 107–157
^
Cialdella, A. M. & L. M. Giussani. 2002. Phylogenetic relationships of the genus Piptochaetium (Poaceae, Pooideae, Stipeae): evidence from morphological data. Annals of the Missouri Botanical Garden 89(3): 305–336
^ Swallen, J. R. 1955. Gramineae. In: P. C. Standley & J. A. Steyermark (eds.), Flora of Guatemala—Part II. Fieldiana, Botany 24(2): i–ix, 1–390
^
Piptochaetium , North American species. USDA PLANTS Profile.
^
Piptochaetium . Germplasm Resources Information Network.
^
Biota of North America Program 2013 county distribution maps
^ Skottsberg, C. 1951. A supplement to the pteridophytes and phanerogams of Juan Fernandez and Easter Island. 2(28): 763–792. In C. J. F. Skottsberg, Natural History of Juan Fernandez and Easter Island. Almquist & Wiksells, Uppsala
^ Gould, F. W. & R. Moran. 1981. The grasses of Baja California, Mexico. Memoir San Diego Society of Natural History 12: 1–140
Media related to
Piptochaetium at Wikimedia Commons