Piptatherum

{{Short description|Genus of grasses}}

{{Automatic taxobox

|image = Piptatherum paradoxum.jpg

|image_caption = Piptatherum paradoxum

|display_parents = 3

|taxon = Piptatherum

|authority = P.Beauv.

|type_species = Piptatherum coerulescens

|type_species_authority = (Desf.) P.Beauv.lectotype designated by Hitchcock, U.S. Dept. Agric. Bull. 772: 156 (1920)

|synonyms_ref = [http://apps.kew.org/wcsp/namedetail.do?name_id=434404 Kew World Checklist of Selected Plant Families][http://www.tropicos.org/Name/40009266 Tropicos, Piptatherum P.Beauv.]

|synonyms =

• Urachne Trin.
• Oryzopsis sect. Piptatherum (P.Beauv.) Benth. & Hook.f.
• Urachne subg. Piptatherum (P.Beauv.) Trin. & Rupr.

}}

Piptatherum is a genus of plants in the grass family known as ricegrass.[https://www.biodiversitylibrary.org/page/394096#page/101/mode/1up Palisot de Beauvois, Ambroise Marie François Joseph. 1812. Essai d'une Nouvelle Agrostographie 17-18] in Latin[https://www.biodiversitylibrary.org/page/394096#page/290/mode/1up Palisot de Beauvois, Ambroise Marie François Joseph. 1812. Essai d'une Nouvelle Agrostographie plate V(5), figures X (10 a-k)] line drawings of Piptatherum coerulescens [https://www.biodiversitylibrary.org/page/394096#page/271/mode/1up (captions on caption page 5)]

They are widely distributed across much of Eurasia, North Africa, and North America. These are clumping perennial grasses with long, tapering leaf blades.[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=125545 Flora of China Vol. 22 Page 192 落芒草属 luo mang cao shu Piptatherum P. Beauvois, Ess. Agrostogr. 17. 1812. ][http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=125545 Flora of Pakistan][http://luirig.altervista.org/flora/taxa/floraspecie.php?genere=Piptatherum Altervista Flora Italiana, genere Piptatherum][http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8738,9195 Jepson Manual Treatment][https://plants.usda.gov/java/profile?symbol=PIPTA2 USDA Plants Profile]{{Cite web |url=http://herbarium.usu.edu/webmanual/info2.asp?name=Piptatherum&type=treatment |title=Grass Manual Treatment |access-date=2007-11-19 |archive-url=https://web.archive.org/web/20110611123303/http://herbarium.usu.edu/webmanual/info2.asp?name=Piptatherum&type=treatment |archive-date=2011-06-11 |url-status=dead }}

; Species[http://www.theplantlist.org/tpl1.1/search?q=Piptatherum The Plant List search for Piptatherum]

{{columns-list|colwidth=18em|

• Piptatherum aequiglume
• Piptatherum alpestre
• Piptatherum angustifolium
• Piptatherum baluchistanicum
• Piptatherum barbellatum
• Piptatherum blancheanum
• Piptatherum canadense
• Piptatherum coerulescens
• Piptatherum ferganense
• Piptatherum flaccidum
• Piptatherum gracile
• Piptatherum grandispiculum
• Piptatherum grigorjevii
• Piptatherum hilariae
• Piptatherum holciforme
• Piptatherum kopetdagense
• Piptatherum kuoi
• Piptatherum laterale
• Piptatherum latifolium
• Piptatherum micranthum
• Piptatherum microcarpum
• Piptatherum molinioides
• Piptatherum munroi
• Piptatherum pamiralaicum
• Piptatherum paradoxum
• Piptatherum platyanthum
• Piptatherum pungens
• Piptatherum purpurascens
• Piptatherum racemosum
• Piptatherum rechingeri
• Piptatherum roshevitsianum
• Piptatherum sogdianum
• Piptatherum songaricum
• Piptatherum tibeticum
• Piptatherum virescens

}}

; formerly included

see Achnatherum Arundinella Eriochloa Nassella Oryzopsis Piptatheropsis Piptochaetium Stipa