Dichanthelium chamaelonche

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Common names: carpet witchgrass

Dichanthelium chamaelonche
Dichanthelium chamaelonche FG.jpg
Photo by John B
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Cyperales
Family: Poaceae
Genus: Dichanthelium
Species: D. chamaelonche
Binomial name
Dichanthelium chamaelonche
Natural range of Dichanthelium chamaelonche from Weakley. [1]

Taxonomic Notes

Synonyms: Panicum breve A.S. Hitchcock & Chase; D. dichotomum (Linnaeus) Gould var. breve (A.S. Hitchcock & Chase) Gould & Clark; P. chamaelonche Trinius var. breve (A.S. Hitchcock & Chase) Lelong.[2]

Subspecies: Dichanthelium chamaelonche (Trinius) Freckmann & Lelong ssp. breve (A.S. Hitchcock & Chase) Freckmann & Lelong; Dichanthelium chamaelonche (Trinius) Freckmann & Lelong ssp. chamaelonche.[2]


Internodes can be glabrous or puberulent, and nodes glabrous, pubescent, or bearded, but the glabrous spikelets 0.9-1.2 mm long are diagnostic [3].


D. chamaelonche is found along the southeastern coast of the United States from Louisiana to Virginia. [3]



D. chamaelonche proliferates in moist pine savannas, flatwoods, and pineland pondshores [3]. It is commonly found in human disturbed habitats such as lawns, roadside ditches, and bulldozed flatwoods. Soil that is found in is usually sandy [4].

Associated species- very frequently found with Quercus cerris. Also with Rhynchospora chalarocephala, Ludwigia microcarpa, Serenoa repens , Deeringothamnus pulchellus, Ilex coriacea, Aristida stricta, Dichanthelium spp., Utricularia subuluata, Polygala lutea, and Calopogon barbatus [4].

Dichanthelium chamaelonche is an indicator species for the Central Florida Flatwoods/Prairies community type as described in Carr et al. (2010).[5]


D. chamaelonche has been observed to flower from the beginning of spring through late fall [4].

Conservation, cultivation, and restoration

Cultural use

Photo Gallery

References and notes

  1. Weakley, Alan S. 2015. Flora of the Southern and Mid-Atlantic States: Working Draft of 21 May 2015. University of North Carolina, Chapel Hill, North Carolina. 1320 pp.
  2. 2.0 2.1 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  3. 3.0 3.1 3.2 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  4. 4.0 4.1 4.2 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: May 2018. Collectors: R. Kral, George R. Cooley, Carroll E. Wood, Jr., Robert K. Godfrey, Loran C. Anderson, E. M. Hodgson, A. H. Curtiss, Robert L. Lazor, Jean W. Wooten, Kenneth A. Wilson, Sidney McDaniel, J. B. McFarlin, O. Lakela, H. Kurz, Richard J. Eaton, R. E. Perdue, Jr., Robert Christensen, Grady W. Reinert, and Keith A. Bradley. States and Counties: Florida: Alachua, Baker, bay, Bradford, Brevard, Clay, Dixie, Duval, Escambia, Flagler, Franklin, Gadsden, Gulf, Hamilton, Hardee, Highlands, Hillsborough, Jefferson, Lee, Leon, Levy, Manatee, Martin, Osceola, Palm Beach, Pinellas, Sarasota, St. Johns, Wakulla. South Carolina: Horry.
  5. Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.