Penstemon laevigatus, the eastern smooth beardtongue,[1] is a plant in the plantain family, Plantaginaceae. The flowers are borne in summer.[2] Its native range includes much of the Eastern United States, from Maine to Michigan and Georgia to Mississippi.[2] It can grow in either sunny or shady conditions.[3]

References

  1. ^ NRCS. "Penstemon laevigatus". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 22 September 2015.
  2. ^ a b Alan S. Weakley (April 2008). "Flora of the Carolinas, Virginia, and Georgia, and Surrounding Areas".
  3. ^ Slattery, Britt E.; Kathryn Reshetiloff & Susan M. Zwicker (2003). "Penstemon laevigatus". Native Plants for Wildlife Habitat and Conservation Landscaping: Chesapeake Bay Watershed. U.S. Fish & Wildlife Service, Chesapeake Bay Field Office, Annapolis, MD.


Allikas: https://en.wikipedia.org/wiki/Penstemon_laevigatus
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