Platanthera dilatata (Pursh) Lindl. ex L.C. Beck 1833

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

Common Name The Broad Platanthera - In the USA and Canada Leafy White Orchid - Bog Candles - Tall White Bog Orchid - White Rein Orchid - Tall White Northern Bog Orchid - The Scented Bottle Orchid

Flower Size about 1/2" [to 1.25 cm]

Found in most all of Canada and the western USA as a large sized, cold growing terrestrial of bogs, swamp and damp meadows with an elongated stem carrying 2 long leaves and it blooms on an erect, terminal, 1 to 2' [30 to 60 cm] long, many [70] flowered, racemose inflorescence with delicately fragrant flowers that occurs in the summer.

Synonyms Habenaria borealis var. albiflora Cham. 1828; Habenaria dilatata (Pursh) Hook. 1825; Habenaria dilatata var. albiflora (Cham.) Correll 1943; Habenaria dilatata var. leucostachys (Lindl.) Ames 1910; Habenaria fragrans Niles 1904; Habenaria flagellans S.Watson 1880; Habenaria graminifolia (Rydb.) J.K. Henry 1915; Habenaria leptoceratitis J.K.Henry 1915; Habenaria leucostachys (Lindl.) S.Watson 1880; Habenaria leucostachys var. robusta (Rydb.) J.K.Henry 1915; Habenaria leucostachys var. virida Jeps. 1921; Habenaria pedicellata S.Watson 1877; Limnorchis dilatata (Pursh) Rydb 1901; Limnorchis foliosa Rydb. 1901; Limnorchis fragrans Rydb. in N.L.Britton 1901; Limnorchis graminifolia Rydb. 1901; Limnorchis leptoceratitis Rydb. 1901; Limnorchis leucostachys (Lindl.) Rydb. 1900; Limnorchis leucostachys subsp. robusta (Rydb.) Piper & Beattie 1915; Orchis agastachys Fisch. ex Lindl. 1835; *Orchis dilatata Pursh 1814; Piperia dilatata (Pursh) Szlach. & Rutk. 2000; Piperia dilatata var. albiflora (Cham.) Szlach. & Rutk. 2000; Piperia dilatata var. leucostachys (Lindl.) Szlach. & Rutk. 2000; Platanthera cylindrica Bach.Pyl. 1826; Platanthera dilatata (Pursh) Lindl. ex L.C. Beck 1833; Platanthera dilatata var. albiflora (Cham.) Ledeb. 1852; Platanthera dilatata var. angustifolia Hook. 1839; Platanthera dilatata var. leucostachys (Lindl.) Luer 1975; Platanthera graminea Lindl. 1835; Platanthera hyperborea subsp. dilatata (Pursh) Rchb.f. 1851; Platanthera hyperborea subsp. graminea Rchb.f. 1851 Platanthera hyperborea var. dilatata (Pursh) Kraenzl. 1899; Platanthera hyperborea var. leucostachys (Lindl.) Kraenzl. 1901; Platanthera leucostachys Lindl. 1835; Platanthera lindleyi Steud. 1841; Tulotis albiflora Raf. 1833; Tulotis fragrans Raf. 1833

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915 as Platanthera dilatataAOS Bulletin Vol 29 No 5 1960; Encyclopedia of Cultivated Orchids Hawkes 1965 as Platanther dilatata; AOS Bulletin Vol 48 No 6 1979 photo; AOS Bulletin Vol 49 No 2 1980 photo as Platanthera dilatata; AOS Bulletin Vol 61 No 5/463 1992 photo as Platanthera dilatata; Schlechteriana Vol 4 No 4 1993 as Platanthera dilatata; AOS Bulletin Vol 63 No 4 1994 photo as Platanthera diltata; AOS Bulletin Vol 66 No 3 1997 photo as Platanthera dilatata var leucostachys; AOS Bulletin Vol 69 No 11 2000 photo as Platanthera dilitata; AOS Bulletin Vol 72 No 9 2003 photo;