Platanthera obtusata (Banks ex Pursh) Lindl. 1835
Photo by Jim Fowler and his P-Base Orchid North American Orchid Website
Photo by Carl Luer
Drawing by Blanche Ames
Common Name The Blunt Leafed Platanthera - Blunt Leafed Rein Orchis
Flower Size .4" [1 cm]
Found in Norway, Sweden, Artic Russia, Siberia, Aluetians, Alaska, Northwest Territories, Yukon, British Columbia, Alberta, Manitoba, Saskatchewan, Ontario, Quebec, Prince Edward Island, Nova Scotia, New Brunswick, Newfounland, Labrador, Washington, Idaho, Montana, Wyoming, Colorado, Utah, Minnesota, Wisconson, Michigan, Maine, New Hampshire, Vermont, Massachusets and New York as aminiature to medium sized, cold growing terrestrial orchid with 1 basal, [forma foliosa has multiple leaves decreasing in size upward], linear-oblanceolate, [in forma collectanea single, oval-ovate, nearly equalling the height of the inflorescence] blunt apically, green leaf that blooms in the summer on a terminal, erect, loose, 9 to 15 flowered [in forma collectanea fewer denser flowered, shorter inflorescence] inflorescence carrying fragrant flowers.
Found rarely in the south in mixed woodlands, headlands and gravel as forma obtusata and farther north commonly in tundra and heaths as the shorter fewer flowered forma collectanea
Synonyms Habenaria obtusata (Banks ex Pursh) Richardson 1823; Habenaria obtusata var. collectanea Fernald 1926; Lysiella obtusata (Banks ex Pursh) Rydb. 1900; *Orchis obtusata Banks ex Pursh 1813; Platanthera obtusata f. collectanea (Fernald) P.M.Br.1995; Platanthera obtusata f. foliosa P.M.Br. 1995; Platanthera obtusata var. collectanea (Fernald) W.J.Schrenk 1977;
References W3 Tropicos, Kew Monocot list , IPNI ;
Fl. Amer. Sept. 2: 588 Banks ex Pursh 1813 as Orchis obtusata
Narr. Journey Polar Sea: 750 Richardson 1823 as Habenaria obtusata
* Gen. Sp. Orchid. Pl.: 284 Lindley 1835
Mem. New York Bot. Gard. 1: 104 Rybd. 1900 as Lysiella obtusata
Studies in the Family Orchidaceae Vol 4: 125 Ames 1910 as Habenaria obtusata
Studies in the Family Orchidaceae Vol 4: pl 65 Ames 1910 as Habenaria obtusata drawing good;
Die Orchideen Schlechter 1915;
Rhodora 28: 175 Fernald 1926 as Habenaria obtusata var collectanea
Native Orchids of North America: 91 Correll 1950 as Habenaria obtusata
Native Orchids of North America: 92 Correll 1950 as Habenaria obtusata drawing fide;
Encyclopedia of Cultivated Orchids Hawkes 1965;
The Native Orchids of the United States and Canada Luer 1975 drawing/photos fide;
Orchidee (Hamburg) 28: 69 W.J.Schrenk 1977 as P obtusata var collectanea
Schlechteriana Vol 4 No 4 1993;
N. Amer. Native Orchid J. 1: 14 P M Br 1995 as P obtusata f collectanea
N. Amer. Native Orchid J. 1: 13 P M Br 1995 as P obtusata f foliosa;
AOS Bulletin Vol 69 No 11 2000 photo fide;
Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000 as Lysiella obtusata;
Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000 as Lysiella oligantha;
Orchid Digest Vol 70 #3 2006 as Blunt leaves rein orchid photo fide;
Wild Orchids of Pacific Northwest and Canadian Rockies PM Brown 2006;
AOS Bulletin Vol 84 #12 2015 photo fide;
--------------------------------------------------------------------------------------------------------------------------
