Eryngium yuccifolium

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Common name: button eryngo [1], moccasin-master [2], southern/northern rattlesnake master [2]

Eryngium yuccifolium
Eryngium yuccifolium BM.JPG
Photo by John B. of Blue Moon
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Apiales
Family: Apiaceae
Genus: Eryngium
Species: E. yuccifolium
Binomial name
Eryngium yuccifolium
Natural range of Eryngium yuccifolium from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: Eryngium synchaetum (A. Gray ex J.M. Coult. & Rose) J.M. Coult. & Rose

Varieties: Eryngium yuccifolium Michaux var. synchaetum A. Gray ex Coulter & Rose; Eryngium yuccifolium Michaux var. yuccifolium


E. yuccifolium is a perennial forb/herb of the Apiaceae family native to North America. [1] It has grasslike parallel-veined leaves with a stout furrowed stem and the flowers borne in a dense, stout-stemmed head. [3]


E. yuccifolium can be found along the southeastern coast of the United States from Texas to North Carolina. [1]



E. yuccifolium is found in wet savannas, especially those over calcareous clay soils. [2] Specimens have been collected from pine woods, prairie, sandy woodland, sandy savanna, stream bottomland with peat-loam muck, open wiregrass longleaf pine flatwoods, river banks, palmetto flatwoods, marshes, and hammocks.[4]


E. yuccifolium has been observed flowering April through August and November. [5]

Seed dispersal

This species is thought to be dispersed by wind.[6]

Fire ecology

The spread of E. yuccifolium is highly favored by fire. [7] It has been shown to increase establishment of seedlings as an effect of fire. [8] Specifically, E. yuccifolium will flower roughly 80 days after a burn and it will mature and fruit about 130 days after a burn. [9]

Conservation and Management

E. yuccifolium is listed as endangered/extirpated by the Maryland Natural Heritage Program Department of Natural Resources, and as threatened by the Michigan Natural Features Inventory Department of Natural Resources and by the Ohio Department of Natural Resources Division of Natural Areas and Preserves. [1]

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 USDA Plant Database
  2. 2.0 2.1 2.2 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. Sievers, A. F. (1930). American medicinal plants of commercial importance. Washington, USDA.
  4. URL: Last accessed: June 2018. Collectors: Delzie Demaree, R.Kral, Fred Barkley, H.F. L. Rock, R.L. Wilbur, Harry Ahles, P.L. Redfearn, S.B. Jones, John Thieret, E.J. Palmer, F.S. Earle, C.F. Baker, Raymond Athey, R.K. Godfrey, Roomie Wilson, Norlan Henderson, Gwynn Ramsey, H. Larry Stripling, John Bernard, Samuel B, Jones Jr., A.F. Clewell, Robert Lazor, M. Davis, R. Komarek, Cecil Slaughter, Richard Mitchell, Sydney Thompson, Culver Gidden, Annie Schmidt, W.P. Adams, Marc Minno, J.B. Nelson, R.H. Wnek, Gary Knight, Paul Fortsch, Nancy Edmonson, R.A. Pursell, Jean Wooten, S.W> Leonard, Angus Gholson, A.E. Radford, David Webb, Leon Bates, J. Haesloop, James W. Hardin, Wilbur Duncan, D.S. Correll, Helen Correll, Robert Thorne. States and counties: Florida (Wakulla, Gadsden, Franklin, Jefferson, Levy, Jackson, Gadsden, Leon, Washington, Santa Rosa, Okaloosa, Bay, Washington, Taylor, Sarasota, Calhoun, Dixie, Liberty, Brevard, Charlottee, indian River, Sumter, Palm Beach, Hernando) Mississippi (Jackson, Lamar, Covington, George) Georgia (baker, Lee, Seminole, Ben Hill, Cook, Johnson, Thomas, Grady, Charlton, Lowndes) Illinois (Cook, Champaign) Alabama (Conecuh, Colbert, Houston, Lee, Geneva) Texas (Bastrop) North Carolina (Pender, Cherokee) Tennessee (Coffee) Kentucky (Lyon, Todd) Louisiana (Tangipahoa, St. Tammany, Vernon, Lafayette) Missouri (Bates, Jasper, Greene) Arkansas (Lawrence)
  5. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. Accessed: 21 MAY 2018
  6. Kirkman, L. Katherine. Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.
  7. Curtis, J. T. and M. L. Partch (1948). "Effect of fire on the competition between blue grass and certain prairie plants." American Midland Naturalist 39: 437-443.
  8. Curtis, J. T. and M. L. Partch (1948). "Effect of fire on the competition between blue grass and certain prairie plants." American Midland Naturalist 39: 437-443.
  9. Comment by Jimi Cheak on Reed Noss post in January 26, 2018, posted to Florida Flora and Ecosystematics Facebook Group.