Platanthera obtusata (Banks ex Pursh) Lindl. 1835

Photo by Jim Fowler and his P-Base Orchid North American Orchid Website

Flower Closeup

Photo by Carl Luer

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; Lysiella obtusata subsp. oligantha (Turcz.) Tolm.1963; *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 subsp. oligantha (Turcz.) Hultén 1943; Platanthera obtusata var. collectanea (Fernald) W.J.Schrenk 1977; Platanthera oligantha Turcz 1854; Platanthera parvula Schltr. 1918

References W3 Tropicos, Kew Monocot list , IPNI ; Studies in the Family Orchidaceae Vol 4 Ames 1910 as Habenaria obtusata drawing good; Die Orchideen Schlechter 1915; Native Orchids of North America Correll 1950 as Habenaria obtusata drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Rudolf Schlechter Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 4 193 to 256 Brieger, Maatsch and Senghas 1973 as P parvula; The Native Orchids of the United States and Canada Luer 1975 drawing/photos fide; Schlechteriana Vol 4 No 4 1993; AOS Bulletin Vol 63 #4 1994; 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 orchidphoto fide; Wild Orchids of Pacific Northwest and Canadian Rockies PM Brown 2006; AOS Bulletin Vol 84 #12 2015 photo fide;