Piptochaetium

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.

Some of its species have been included in the genus Stipa by some authors.


 * Species
 * 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

see Nassella Stipa • Piptochaetium collinum - Nassella laevissima
 * formerly included

• Piptochaetium gibbum - Nassella gibba

• Piptochaetium laeve - Nassella pubiflora

• Piptochaetium laevissimum - Nassella laevissima

• Piptochaetium mexicanum - Nassella mexicana

• Piptochaetium mucronatum - Nassella mucronata

• Piptochaetium ovatum - Stipa ovata

• Piptochaetium trichotomum - Nassella trichotoma