Lycopus amplectens

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Common name: Clasping water-horehound[1]

Lycopus amplectens
Lycopus amplectens AH.jpg
Photo by © Arthur Haines, New England Wild Flower Society
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Lamiales
Family: Lamiaceae
Genus: Lycopus
Species: L. amplectens
Binomial name
Lycopus amplectens
Natural range of Lycopus amplectens from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: L. pubens Britton; L. sessilifolius A. Gray.[2]

Varieties: none.[2]


L. amplectens is a perennial forb/herb of the Lamiaceae family native to North America.[1]


L. amplectens ranges from Massachusetts to northeastern Florida. There are disjunct populations around the Great Lakes and western North Carolina.[2]



L. amplectens proliferates in clay-based Carolina bays and other moist habitats.[3] Specimens have been colelcted from longleaf pine savanna and sandy loam of open field.[4]

Conservation, cultivation, and restoration

L. amplectens is listed as a special concern species by the Connecticut Department of Environmental Protection, and as endangered by the Indiana Department of Natural Resources Division of Nature Preserves and the Maryland Department of Natural Resources Natural Heritage Program.[1]

Cultural use

The tubers can be pickled and made into relishes or cooked as a root vegetable.[5]

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 USDA Plant Database
  2. 2.0 2.1 2.2 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. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  4. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, Bert Pittman, Kathy Boyle. States and counties: Florida (Wakulla) Georgia (Thomas) South Carolina (Lee)
  5. Fernald, et al. 1958. Edible Plants of Eastern North America. Harper and Row Publishers, New York.