familyOrchidaceae
subfamilyOrchidaceae subfam. Orchidoideae
genusPlatanthera
speciesPlatanthera dilatata
Platanthera dilatata var. albiflora
Fl. Ross. 4: 71. 1853.
Endemic
Basionym: Habenaria borealis var. albiflora Chamisso Linnaea 3: 28. 1828
Synonyms: Habenaria dilatata var. albiflora (Chamisso) Correll
Lip commonly with pronounced basal dilation, sometimes lateral margins elaborated along axes, diverging forward and forming lobules, 6–10 mm; spur clavate to slightly capitate, 2–7 mm (markedly shorter than lip), apex obtuse; viscidia linear-oblong to oblong. 2n = 42.
Phenology: Flowering Jun–Aug.
Habitat: Wet meadows, tundra, marshes, fens, stream banks, shores, ditches, seeping slopes, roadsides
Elevation: 0–3700 m
Distribution
Alta., B.C., Yukon, Alaska, Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.