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Leptotes bicolor forma ( or var ?) gigantea

This is a discussion on Leptotes bicolor forma ( or var ?) gigantea within the Orchids of Other Genera IN BLOOM forums, part of the Orchid Photography category; The large flowered form of the species. Flowers 50% larger than on the ordinary species, ...

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  1. #1
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    Default Leptotes bicolor forma ( or var ?) gigantea

    Name:  Leptotes-bicolor-v-gigantea_1.jpg
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Size:  467.8 KBName:  Leptotes-bicolor-v-gigantea_2.jpg
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    The large flowered form of the species. Flowers 50% larger than on the ordinary species, at least in the two examples I have, one of each - and that is at the best. Actually I have had the ordinary version for 30 years or so, and it got a bit run down - too long without re-potting ( I have now split it, and put a few bits on a wood block mount as an alternative) but in run down condition, the ordinary one is only half the size of this, perhaps in all dimensions - leaves as well as flowers.
    In South America, where it comes from, a few different variations have been shown and awarded - an all pink one, an all white one ( surely these are varieties of L.unicolor ?) and several with different flower habits, one even with a flat flower instead of the usual cup shape, It has also been used to a limited extent in breeding, mostly with the the older Laelias - cinnabarina, etc, but the ones illustrated in Orchidwiz don't get me running for my wish list. Some species can't be improved - perhaps ?

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    Love these flowers! I didn't know there was a flat version.

    What medium is this growing in?

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    I just added an L. Bicolor to my collection yesterday. its miniature form and im really excited for it! love the ornamental flowers

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    Great looking blooms! I think our is just finishing blooming.

    cheers,
    BD

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    Ron-NY is offline rothaholic
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    Geoff, could the plant be a tetraploid?
    I have heard of an alba form of Leptotes bicolor...The all pink one is most likely Leptodes unicolor.

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    Quote Originally Posted by Ron-NY View Post
    Geoff, could the plant be a tetraploid?
    I have heard of an alba form of Leptotes bicolor...The all pink one is most likely Leptodes unicolor.
    Yep, 4n is certainly a possibility. Maybe all giganteas are , whatever the species ?
    But I had not thought of that for myself.

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    Ron-NY is offline rothaholic
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    Geoff, I have never seen reference to a form or variety gigantea. I do see reference to var brevis
    http://books.google.com/books?id=0SF...brevis&f=false

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    I added that myself, as a substitute for the words "large flowered form".
    Dr. Cribb himself has told me that only subspecies have any validity in taxonomy - any other designation is purely horticultural and disregarded by scientists.
    A free licence, to call them what we like.

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