Sphenopholis

{{Short description|Genus of grasses}}

{{Automatic taxobox

|name = Wedgescales

|image = Sphenopholis obtusata NRCS-1.jpg

|image_caption = Sphenopholis obtusata

|display_parents = 4

|taxon = Sphenopholis

|authority = Kunth.[http://www.tropicos.org/Name/40023182 Tropicos, Reboulea Kunth ][http://www.iapt-taxon.org/nomen/main.php?page=art7 International Code of Nomenclature for algae, fungi, and plants] see §7.4, specifying that the type of a replacement name is the same as the type of the name being replaced

|type_species = Reboulea gracilis

|synonyms_ref = [http://apps.kew.org/wcsp/namedetail.do?name_id=443862 Kew World Checklist of Selected Plant Families]

|synonyms =

• Reboulea Kunth 1830, illegitimate name not Reboulia Raddi 1818
• Colobanthus (Trin.) Spach 1841, illegitimate name not Bartl. 1830
• Trisetum unranked Colobanthus Trin.

}}

Sphenopholis is a genus of North American and Hawaiian plants in the grass family.[https://www.biodiversitylibrary.org/page/563021#page/180/mode/1up Scribner, Frank Lamson. 1906. Rhodora 8(92): 142–146][https://www.biodiversitylibrary.org/page/690753#page/166/mode/1up Kunth, Karl Sigismund. 1830. Révision des Graminées 2, pages 341–342] descriptions in Latin, commentary in French, using name Reboulea[https://www.biodiversitylibrary.org/item/9915#page/84/mode/1up Kunth, Karl Sigismund. 1830. Révision des Graminées 2, plate 84] full-page line drawing of Reboulea gracilis

They are known generally as wedgescales.[http://herbarium.usu.edu/webmanual/info2.asp?name=Sphenopholis&type=treatment Grass Manual Treatment][http://www.kew.org/data/grasses-db/www/gen00600.htm Grassbase - The World Online Grass Flora][http://plants.usda.gov/java/profile?symbol=SPHEN USDA Plants Profile]

; Species[http://www.theplantlist.org/tpl1.1/search?q=Sphenopholis The Plant List search for Sphenopholis][http://bonap.net/NAPA/TaxonMaps/Genus/County/Sphenopholis Biota of North America Program 2013 county distribution maps]

• Sphenopholis filiformis - longleaf wedgescale - TX OK AR LA TN MS AL GA FL NC SC VA PA
• Sphenopholis intermedia - slender wedgescale - Canada (every province + territory except Nunavut), USA (every state except California + Hawaii)
• Sphenopholis interrupta - CO OK AZ NM TX LA, Baja California
• Sphenopholis longiflora - Texas wedgescale - TX OK AR LA
• Sphenopholis nitida - shiny wedgescale - Ontario, eastern half of United States
• Sphenopholis obtusata - prairie wedgescale - widespread in contiguous United States + southern Canada, plus Hawaii, Mexico + Hispaniola
• Sphenopholis × pallens - scattered locations in eastern half of USA—hybrid S. obtusata × S. pensylvanica
• Sphenopholis pensylvanica - swamp wedgescale - eastern half of USA