Phanopyrum gymnocarpon

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Phanopyrum gymnocarpon
Phan gymn.jpg
Photo by Keith Bradley, Atlas of Florida Vascular Plants
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida – Monocotyledons
Order: Cyperales
Family: Poaceae ⁄ Gramineae
Genus: Phanopyrum
Species: P. gymnocarpon
Binomial name
Phanopyrum gymnocarpon
(Elliott) Nash
PHAN GYMN dist.jpg
Natural range of Phanopyrum gymnocarpon from USDA NRCS Plants Database.

Common names: savannah-panicgrass, savanna phanopyrum, swamp phanopyrum[1]

Taxonomic notes

Synonyms: Panicum gymnocarpon Elliott[1]

Varieties: none[1]


Phanopyrum gymnocarpon is a perennial graminoid.


P. gymnocarpon ranges from southeastern Virginia, south to Florida, then west to Texas and Arkansas.[1]



P. gymnocarpon occurs in wet or moist soils of floodplain forests and wet woodlands.[2]


This species flowers from August through October.[1]

Conservation, cultivation, and restoration

Cultural use

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 Weakley, A.S. 2020. Flora of the Southeastern United States. Edition of 20 October 2020. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  2. Florida State University Robert K. Godfrey Herbarium database. URL: Last accessed: June 2014. Collectors: Robert K. Godfrey and Lisa Keppner. States and Counties: Florida: Leon, Liberty, and Washington.