!Isotria verticillata (Willd.) Raf. 1808 Photo courtesy of Timothy Choltco

Another Flower Photo courtesy of Thomas Kornack

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Common Name The LargeWhorled Pogonia

Flower Size 1 1/2" to 2 1/2" [3.75 to 6.25 cm]

This small sized species is found in the eastern United States and is a cool to cold growing terrestrial from moist sandy pinewoods or on mixed hardwood slopes at altitudes of 280 to 700 meters and along forested stream banks. It's flowering season is in the early spring in Florida to summer in the north occuring on a terminal, erect, 2" [5 cm] long, one to few flowered inflorescence that arises after the leaves begin to form.

Synonyms *Arethusa verticillata Muhl ex Willd. 1805; Odonectis verticillata (Muehl. ex Willd.) Raf. 1808; Pogonia verticillata [Muhl ex Willd.] Nutt. 1818

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 56 No 5 1987 photo; AOS Bulletin Vol 60 No 4/340 1991 photo; Schlechteriana Vol 4 No 4 1993; AOS Bulletin Vol 78 No 5 2009 photo;

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