Platanthera chorisiana (Cham.) Rchb.f. 1851 Photo courtesy of Bill Temple

Part shade Cold LATE SpringSummer

Common Name Choris' Platanthera

Flower Size 3/8" [9mm]

Found in Siberia, Japan, Aluetians, Alaska, British Columbia and Washington as a medium sized, cold growing terrestrial with 2 ovoid to oblong tubers giving rise t ocauline, ovate to ovate-lanceolate, acute leaves that blooms in the late spring and summer ona rather stout, terminal, to 24" [to 60 cm] long, loosely few flowered inflorescence bearing 2 leaf-like bracts

Synonyms *Habenaria chorisiana Cham.1828; Limnorchis chorisiana (Cham.) J.P.Anderson 1945; Limnorchis chorisiana var. elata (Finet) Efimov 2007; Peristylus chorisianus (Cham.) Lindl. 1835; Platanthera chorisiana var. elata Finet 1900; Platanthera ditmariana Kom. 1914; Platanthera matsudae Makino 1902; Pseudodiphryllum chorisianum (Cham.) Nevski 1935

References W3 Tropicos, Kew Monocot list , IPNI ; Encyclopedia of Cultivated Orchids Hawkes 1965;