Corallorhiza odontorhiza (Willd.) Nutt. 1818
Photo by © Carl Luer
Photo by © Eleanor Saulys and his The Connecticut Botanical Society Website
Photo by © Jim Fowler and his P-Base Orchid North American Orchid Website
and EARLY 
Common Name or Meaning The Tooth-Like Root Corallorhiza - The Autumn Coralroot
Flower Size .15" [3 to 4 mm]
Found in Quebec, Ontario, Minnesota, Wisconsin, South Dakota, Nebraska, Iowa, Kanasas, Missouri, Illinois, Indiana, Michigan, Ohio, Pennsylvania, New York, Massachusetts, Vermont, Maine, New Hampshire, Connecticut, Rhode Island, New Jersey, Delaware, Maryland, Virginia, West Virginia, Kentucky, Tennessee, North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi, Louisiana, Arkansas, Oklahoma, Texas, New Mexico, Mexico, Guatemala, El Salvador, Honduras and Nicaragua in rich, calcareous woodlands as a mini-miniature sized, cold growing terrestrial mycotrophyte with, arising in the fall, a bronzy green to yellow stem carrying 5 to 12 flowered inflorescence carrying cleistogamous flowers.
In recent times this orchid has been used to promote sweating and reduce fevers in severe illnesses.
Synonyms Corallorhiza micrantha Chapm. 1860; Corallorhiza montana Raf. 1833; Corallorhiza odontorhiza f. flavida Wherry 1927; Corallorhiza odontorhiza f. radia Freudenst. 1997; Corallorhiza odontorhiza var. pringlei (Greenm.) Freudenst 1997; Corallorhiza odontorhiza var. verna Alph.Wood 1847; Corallorhiza pringlei Greenm. 1898; *Cymbidium odontorhizon Willd. 1805; Epidendrum odontorhizon (Willd.) Poir. 1810; Neottia odontorhiza (Willd.) Kuntze 1891
References W3 Tropicos, Kew Monocot list , IPNI ; The Native Orchids of Florida Luer 1972 drawing/photos fide; AOS Bulletin Vol 28 No 4 1959; The Native Orchids of the United States and Canada Luer 1975 drawing/photos fide; AOS Bulletin Vol 47 No 6 1978 photo; Las Orquideas De El Salvador Vol 3 Hamer 1981 drawing/photo fide; Selbyana Vol 10 Orchids of Central America Hamer 1988 drawing fide; Icones Planetarum Tropicarum Plate 806 Hamer & Dodson 1983 drawing ok; Schlechteriana Vol 4 No 4 1993; Schlechteriana Vol 4 No 4 1993 as C odontorhiza var pringlei; AOS Bulletin Vol 63 #5 1994 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 41 pg 2565 - 2625 Brieger 2001 ; Orquideas del Estado de Morelos ORQUÍDEA (MÉX.) VOLUMEN 16 NÚMERO ÚNICO enero 2002 drawing/photo fide; Wild Orchids of the SE USA P M Brown 2004; Orchid Digest Vol 75 #2 2011 Photo fide; Orchid Digest Vol 75 #2 2011 as C odontorhiza var pringlei Photo fide; AOS Bulletin Vol 81 #6 2012 photo fide; AOS Bulletin Vol 83 #1 2014 photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018
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