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Mini Dendrobium

This is a discussion on Mini Dendrobium within the Genus Specific forums, part of the Orchid Culture category; Originally Posted by orchid lady ...Yes, it has the breeder info/website, can I post the ...

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  1. #11
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is offline Dreaming with my eyes open...
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    Quote Originally Posted by orchid lady View Post
    ...Yes, it has the breeder info/website, can I post the info here?
    Hi Marissa,

    We do not allow posting of vendor information in the open forum. see the FAQ's for more information. Email the vendor with your photograph and inquire about the name. Good luck!

    Cheers,
    BD

  2. #12
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    orchid lady is offline Senior Member
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    Sorry, my bad. I mis-understood his question.

  3. #13
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    wetfeet101b is offline It's not dead! It's just permanently dormant.
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    Quote Originally Posted by Lizgeo View Post
    How cute!
    The reason the blooms are upside down is because it was staked after it had bloomed naturally.

    Why is that?
    This is due to resupination

    Most orchid flower ovaries rotate 180 degrees after opening so that the labellum is on the bottom and presented "upright". This means that the flower is actually upside down in relation to its original orientation when the flower bud emerged.
    If the ovary did not rotate, then the labellum would have been on top. This would have confused pollinators and probably result in the flowers not being visited.
    The young flowers somehow "know" how much to rotate so that the labellum is always presented upright. They may be due to phototropism or perhaps the Earth's gravity.

    In this particular plant's situation, the inflorescence was allowed to grow naturally and the individual flowers rotated so that the labellum is presented.
    After the ovary rotation was completed though, the inflorescence was trained on a stake and the flowers can no longer rotate to correct their orientation since their window of time for doing this has passed.

  4. #14
    orchid lady's Avatar
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    Quote Originally Posted by wetfeet101b View Post
    This is due to resupination

    Most orchid flower ovaries rotate 180 degrees after opening so that the labellum is on the bottom and presented "upright". This means that the flower is actually upside down in relation to its original orientation when the flower bud emerged.
    If the ovary did not rotate, then the labellum would have been on top. This would have confused pollinators and probably result in the flowers not being visited.
    The young flowers somehow "know" how much to rotate so that the labellum is always presented upright. They may be due to phototropism or perhaps the Earth's gravity.

    In this particular plant's situation, the inflorescence was allowed to grow naturally and the individual flowers rotated so that the labellum is presented.
    After the ovary rotation was completed though, the inflorescence was trained on a stake and the flowers can no longer rotate to correct their orientation since their window of time for doing this has passed.
    Wow, very impressive but complicated. At least to me since I have very little knowledge about plants, especially orchids. Is this a common occurence with orchids?

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