Isotria verticillata

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Isotria verticillata


Taxonavigation: Asparagales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Orchidaceae
Subfamilia: Vanilloideae
Tribus: Pogonieae
Genus: Isotria
Species: Isotria verticillata


Isotria verticillata (Muhl. ex Willd.) Raf., Med. Repos., ser. 2, 5: 357 (1808)


  • Basionym
    • Arethusa verticillata Muhl. ex Willd., Sp. Pl. 4: 81 (1805)
  • Homotypic
    • Odonectis verticillata (Muhl. ex Willd.) Raf., Med. Repos., ser. 2, 5: 357 (1808)
    • Pogonia verticillata (Muhl. ex Willd.) Nutt., Gen. N. Amer. Pl. 2: 192 (1818)
  • Heterotypic
    • Pogonia verticillata var. medeoloides Eaton, Man. Bot., ed. 3: 397 (1832)


Native distribution areas:
  • Northern America
    • Eastern Canada
      • Ontario.
    • North-Central U.S.A.
      • Illinois, Missouri, Oklahoma.
    • Northeastern U.S.A.
      • Connecticut, Indiana, Maine, Masachusettes, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Isle, Vermont, West Virginia.
    • South-Central U.S.A.
      • Texas.
    • Southeastern U.S.A.
      • Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia.

References: Brummitt, R.K. 2001. TDGW – World Geographical Scheme for Recording Plant Distributions, 2nd Edition



Vernacular names[edit]

English: Large whorled pogonia orchid

For more multimedia, look at Isotria verticillata on Wikimedia Commons.