Triplasis purpurea

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Common names: purple sandgrass[1]

Triplasis purpurea
Triplasis purpurea IWF.jpg
Photo by John Hilty hosted at
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Poales
Family: Poaceae
Genus: Triplasis
Species: T. purpurea
Binomial name
Triplasis purpurea
(Walter) Chapm.
Natural range of Triplasis purpurea from USDA NRCS Plants Database.

Taxonomic Notes

Synonym: T. intermedia (Nash).[2]


T. purpurea is an annual graminoid of the Poaceae family that is native to North America.[1]


T. purpurea is found throughout the continental U.S. except Washington, California, Nevada, Arizona, Utah, Idaho, Wyoming, Montana, and Minnesota. It is also found in Ontario.[1]



Common habitats for T. purpurea include Dunes, maritime dry grasslands, and open sandy areas.[3] It is considered a weedy species that can develop in disturbed areas such as old fields that have not been without agricultural use for long.[4]

Some samples have been taken from dry loamy sand in longleaf pine woods, roadsides, flatwoods, sand dunes, hammock clearing, slash pine woodlands, guld coastal plain, oak sand ridge, and other moderately disturbed sites.[5]

Fire ecology

Populations of Triplasis purpurea have been known to persist through repeated annual burning.[6]

Conservation, cultivation, and restoration

Cultural use

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 USDA Plant Database
  2. Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draf of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  3. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  4. Jenkins, R. A., and Patrick D. McMillan (2009). "Vascular Flora of Sandhill Research and Education Center, Richland County, South Carolina." Castanea 74(2): 168-180.
  5. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, Ed Keppner, Lisa Keppner, A.H. Curtiss, R.K. Godfrey, R.E. Perdue, R.Kral, Jacque Brennan, Melanie R. Darst, R.F. Thorne, R.A. Davidson, R.S. Mitchell, Gwynn Ramsey, H. Roth, V. Craig, Bill Boothe, Thomas Miller. States and counties: Florida (Clay, Bay, Wakulla, Jefferson, Duval, Okaloosa, Brevard, Franklin, Washington, Dixie, Walton, Union, Suwannee, Nassau, Gadsden, Liberty, Leon, Lee) Georgia (Thomas)
  6. Platt, W.J., R. Carter, G. Nelson, W. Baker, S. Hermann, J. Kane, L. Anderson, M. Smith, K. Robertson. 2021. Unpublished species list of Wade Tract old-growth longleaf pine savanna, Thomasville, Georgia.