''Hesperostipa'' is a genus of grasses in the family
Poaceae
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 cultivate ...
. Members of the genus are commonly known as needle-and-thread grass or needlegrass.
The ''Hesperostipa'' species, formerly called ''
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 ...
'', are
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to North America. The new name adds , as other ''Stipa'' species are found on the
Eurasian continent (i.e., the eastern hemisphere).
Species
*''
Hesperostipa comata''
(Trin. & Rupr.) Barkworth – needle-and-thread grass
**''Hesperostipa comata'' subsp. ''comata''
**''Hesperostipa comata'' subsp. ''intermedia''
(Scribn. & Tweedy) Barkworth
*''
Hesperostipa curtiseta''
(Hitchc.) Barkworth – Canadian needlegrass
*''
Hesperostipa neomexicana''
(Thurb.) Barkworth – New Mexico needlegrass
*''
Hesperostipa saxicola''
(Hitchc.) Valdés-Reyna & Barkworth
*''
Hesperostipa spartea''
(Trin.) Barkworth – porcupine grass
References
External links
*
*
Bunchgrasses of North America
Poaceae genera
Stipeae
{{Pooideae-stub