Tridens flavus

From Coastal Plain Plants Wiki
Jump to: navigation, search

Common name: redtop [1], tall redtop [1], purpletop tridens [1], greasy grass [1], Chapman's tridens [2]

Tridens flavus
Tridens flavus SEF.jpg
Photo by John Gwaltney hosted at Southeastern
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Poales
Family: Poaceae
Genus: Tridens
Species: T. flavus
Binomial name
Tridens flavus
(L.) Hitchc.
Natural range of Tridens flavus from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: none

Varieties: none


T. flavus is a perennial graminoid of the Poaceae family native to North America and introduced to Canada. [2]


T. flavus is found in the eastern half of the United States as well as California, and in the Ontario region of Canada. [2]



T. flavus proliferates in roadsides, disturbed areas, and glades. [1]

Specimens have been collected from drying loamy sands, burned pineland, bank of rivers, cypress swamp bank, open field, hammock, wooded floodplain, and pine-oak flatwood. [3]


T. flavus has been observed to flower in October. [4]

Fire ecology

T. flavus is not fire resistant, but has high fire tolerance. [2]

Use by animals

T. flavus has high palatability for grazing and browsing animals. [2]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  2. 2.0 2.1 2.2 2.3 2.4 USDA Plant Database
  3. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, R.K. Godfrey, Julia Neel, Roy Komarek, Robert Norris, A.F. Clewell, R. Kral, J. P. Gillespie, D.L. Martin, S. T. Cooper, R.D. Houk, Richard Mitchell, Cecil Slaughter, Marc Minno, Ann F. Johnson, Wilson Baker, Billie Bailey, Alan Franck, Peter Simones, M. Darst, A. Gholson, Kathleen Craddock Burks, Gary Knight. States and counties: Florida (Wakulla, Leon, Hamilton, Marion, Liberty, Jackson, Dixie, Okaloosa, Nassau, St. Johns, Volusia, Calhoun, Lafayette, Walton) Georgia (Grady, THomas)
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. Accessed: 29 MAY 2018