Neottia cordata (L.) Rich. 1817 Photo Courtesy Of Joshua Horky Botanist, Lake Superior Research Institute - UW Superior

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Common Name Heart Leafed Neottia in USA The Heart Leaved Twyblade

Flower Size .2" [6mm]

Found in Iceland, Ireland, Great Britain, Norway, Sweden, Finland, Denmark, Spain, France, Belgium, Netherlands, Germany, Czechoslovakia, Switzerland, Austria, Italy, Yugoslavia, Turkey, Romania, Poland, Ukraine, western Russia, central Russia, eastern Russia, western Siberia, eastern Siberia, Japan, Aluetians, Alaska, Yukon, Alberta, British Columbia, Saskatchiwan, Manitoba, Ontario, Quebec, Newfoundland, Labrador, Prince Edward Islands, New Brunswick, Washington, Oregon, California, Idaho, Montana, Wyoming, Colorado, New Mexico, Minnesota, Wisconson, Michigan, Ohio, West Virginia, Pennsyvania, New York, New Jersey, Maryland, Washington DC, Virginia, North Carolina, Massachusetts, Conneticut, Rhode Island, New Hampshire, Vermont and Maine as a cool to cold growing, dwarf terestrial with 2 leaves found in wet mountainous forests or pine bogs in acidic soil with glabrous then minutely pubescent stems with basal sheaths carrying 1 to 2, sessile, nearly opposite, ovate-deltate or triangular leaves and blooms in the summer and early fall on an erect, racemose, to 2 2/5" [6 cm] long, few to many [4 to 25] flowered inflorescence.

Synonyms Bifolium cordatum (L.) Nieuwl. 1913; Cymbidium cordatum (L.) Londes 1811; Diphryllum cordatum [L.] Kuntze 1891; Distomaea cordata (L.) Spenn. 1825; Epipactis cordata (L.) All. 1785; Helleborine cordata (L.) F.W.Schmidt 1793; Listera cordata (L.) R. Br. 1813; Listera cordata f. rubescens P.M.Br. 1995; Listera cordata f. tetraphylla Lavoie 1984; Listera cordata f. trifolia P.M.Br. 1995; Listera cordata f. trifolia (Asch. & Graebn.) Pauca & Stefur. 1972; Listera cordata lus. trifolia Asch. & Graebn. 1907; Listera cordata f. variegata P.M.Br. 1995; Listera cordata f. viridens P.M.Br. 1995; Listera cordata var. chlorantha Beauverd 1926; Listera cordata var. nephrophylla (Rydb.) Hultén 1937; Listera nephrophylla Rydb. 1900; Neottia nephrophylla (Rydb.) Szlach. 1995; *Ophrys cordata L. 1753; Ophrys nephrophylla (Rydb.) Rydb. 1905; Pollinirhiza cordata (L.) Dulac 1867; Serapias cordata (L.) Steud. 1821

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Die Orchideen #5 17-20 tafel 6 Rudolph Schlechter 1971 photo ok; Schlechteriana Vol 2 No 3 1991 photo; AOS Bulletin Vol 61 No 8 1992 photo; Schlechteriana Vol 4 No 4 1993; Phylogeny and Classification of the Orchid Family Dressler 1993 photo fide; AOS Bulletin Vol 69 No 11 2000 photo; Orchids of Europe, North Africa and the Middle East Delforge 2005 as Neottia cordata

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