A lovely white orchid

Discussion in 'Orchidaceae (orchids)' started by hiking Pat, Aug 25, 2020.

  1. hiking Pat

    hiking Pat Active Member

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    with grass of Parnassus seen on Tokumm creek trail at Marble canyon, Alberta July 27 2020
     

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  2. Tom Hulse

    Tom Hulse Active Member 10 Years

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    Nice find! Looks like a Platanthera, perhaps Platanthera orbiculata.
     
  3. Margot

    Margot Generous Contributor

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    And, off to the left, is that the lovely little Fauria crista-galli (Deer Cabbage)?
     
  4. hiking Pat

    hiking Pat Active Member

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    Thank you Margot, I have always classed this as grass of Parnassus - I will have to look more closely now LOL!
     
  5. Daniel Mosquin

    Daniel Mosquin Paragon of Plants UBC Botanical Garden Forums Administrator Forums Moderator 10 Years

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    Platanthera dilatata is most likely, given the wet and sunny location (Platanthera orbiculata favours shady dry to moderately wet forests).

    Those are Parnassia fimbriata (fringed grass-of-Parnassus) not Nephrophyllidium crista-galli (formerly Fauria), though they do look quite similar. Deer cabbage lacks the fine hairs in the flowers and tends to have petals that are more reflexed, but what also makes this grass-of-Parnassus to me (at a glance) is the long, upright stalk supporting the solitary flower.
     
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