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Sphenopholis obtusata NRCS-1.jpg
Sphenopholis obtusata
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Genus: Sphenopholis
Type species
Reboulea gracilis
  • 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.[4][5][6]

They are known generally as wedgescales.[7][8][9]

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