Hymenachne hemitomon

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Hymenachne hemitomon
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Poales
Family: Poaceae
Genus: Hymenachne
Species: H. hemitomon
Binomial name
Hymenachne hemitomon
J.A. Schultes
Natural range of Hymenachne hemitomon from Weakley [1]

Taxonomic Notes

Synonyms: Panicum hemitomon J.A. Schultes.

Varieties: none.


This species is a perennial graminoid in the Poaceae family. Within the Atlantica and Gulf Coastal Plain, H. hemitomon is wetland obligate [2].


H. hemitomon can be found from Texas to southern New Jersey, but it is most common in Florida [2].



This species is frequently found at swamp margins and marshy drainage canals in wet soil or shallow, standing water [3]. Sandhills and wetlands are possible habitats for Hymenachne hemitomon.[4]


H. hemitomon has been observed to flower from the beginning of may to mid August [3], but flowering is most common from June to July [5].

Conservation and Management

Cultivation and restoration

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 USDA Plants Database: https://plants.usda.gov/core/profile?symbol=PAHE2
  3. 3.0 3.1 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: May 2018. Collectors: George R. Cooley, R. J. Eaton, Carroll E. Wood, Jr., C. Earle Smith, Jr., Robert K. Godfrey, Loran C. Anderson, M. Darst, R. Mattson, L. Peed, Grady W. Reinert, K. Craddock Burks, P.L. Redfearn, Jr., R. Kral, Jackson, Kurz, R. J. Vogl, R. F. Doren, William Lindsey, and Julie Neel. States and Counties: Florida: Citrus, Columbia, Gadsden, Gilchrist, Gulf, Hamilton, Hernando, Leon, Levy, Madison, Marion, Nassau, Okaloosa, Osceola, St. Johns, Union, Volusia, Wakulla, and Washington. Georgia: Thomas.
  4. Comment by Edwin Bridges, on post by Adam Julius Arendell, July 18, 2016, posted to Florida Flora and Ecosystematics Facebook Group July 2016.
  5. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.