Dichanthelium angustifolium

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Common name: needleleaf rosette grass [1], narrow-leaved witchgrass [2]

Dichanthelium angustifolium
Dichanthelium angustifolium GF.jpg
Photo by Gary Fleming at the Digital Atlas of the Virginia Flora
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Cyperales
Family: Cyperaceae
Genus: Dichanthelium
Species: D. angustifolium
Binomial name
Dichanthelium angustifolium
Natural range of Dichanthelium angustifolium from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: P. aciculare Desvaux ex Poiret; D. aciculare ssp. angustifolium (Elliott) Freckmann & Lelong

Varieties: none


D. angustifolium is a perennial graminoid of the Poaceae family native to North America and Puerto Rico. [1]


D. angustifolium is found along the southeastern coast of the United States, from Texas to New York, as well as Puerto Rico. [1]



D. angustifolium is found in sandy pinelands and fields. [2] Specimens have been collected from wet pien flatwoods, open oak woodland, flatwoods with palmetto, moist soils of drainage areas, bayhead of river, old field, coastal hammock, pine savanna,sand pine scrub, wiregrass savanna, sandy margin of limesink, margin of lake, sandy fields, and slash pine flats. [3]


D. angustifolium has been observed to flower in April, May, July, September, and October. [4]

Fire ecology

D. angustifolium is not fire resistant, and has low fire tolerance. [1]

Use by animals

D. angustifolium is moderately palatable for grazing and browsing animals, but not for humans. [1]

Conservation and Management

D. angustifolium is listed as endangered by the New Jersey Office of Natural Lands Management Department of Environmental Protection and Energy, and by the Tennessee Natural Heritage Program Department of Environment and Conservation. [1]

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 1.5 USDA Plant Database https://plants.usda.gov/core/profile?symbol=DIAC
  2. 2.0 2.1 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Cecil R. Slaughter, Loran C. Anderson, Ann Johnson, W.C. Brumbach, R.F> THorne, R.A. Davidson, Steve Orzell, Edwin Bridges, R.K. Godfrey, Lloyd H. Shinners, R.Kral, Tara Baridi, Rex Ellis, Sidney McDaniel, Randy Haynes, A.F. Clewell, A.E. Radford, R.B. Channel, H.R. Reed, John Thieret, H.L. Blomquist, Delzie Demaree, Richard R. Clinebell II, Richard Carter, Keith Bradley, Robert Lazor, Grady Reinert, Frank Gould, Wm. Atwater, H. Kurz, Gwynn Ramsey, R.S. Mitchell, J. Hunter, M. Knott, R. Dale Thomas, W. R. Anderson, Hurt Blum, S.W. Leonard, C.R. Bell, D. J. Banks, F. Maturo, J.B. McFarlin. States and counties: Florida (Volusia, Leon, Putnam, Wakulla, Bay, Lee, Liberty, Madison, Franklin, Escambia, washington, Calhoun, Polk, Clay, Duval, Jackson, Holmes, Gulf, Lee, Collier, Citrus, Columbia, Dixie, Dade, palm Beach, Madison, Taylor, Santa Rosa, Lafayette, Highlands) Alabama (Monroe, Monroe, Houston, Baldwin, Lee, Covington) Georgia (Mitchell, baker, Thomas, Grady, McIntosh) North Carolina (Carteret, Richmond, Brunswick, nash, Craven) Mississippi (Pearl River, Jackson, Harrison, Lauderdale) Tennessee (Lawrence) Texas (Freestone) Louisiana (Jackson, Oachita) South Carolina (Clarendon, Edgefield)
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 21 MAY 2018