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Dendrobium tetragonum

This is a discussion on Dendrobium tetragonum within the Cattleyas, Vandas, Dendrobiums IN BLOOM forums, part of the Orchid Photography category; These two are first bloom seedlings from the same cross... Dendrobium tetragonum var giganteum 'Florafest ...

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  1. #1
    bench72's Avatar
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    Default Dendrobium tetragonum

    These two are first bloom seedlings from the same cross...

    Dendrobium tetragonum var giganteum 'Florafest Spider' x 'Big Huntsman'

    1.


    2.


    The second though not as colourful is twice the size of the first flower and each of those legs are 3" long!

    The Australian dendrobiums are undergoing taxonomic changes and this may soon be known as Tetrabaculum capitisyork M.A.Clem. & D.L.Jones. The genus name refering to the four sided pseudobulbs and it's specific name after one of the localities this occurs in, namely Cape York Peninsula.

    It's habitat range is from the Fitzroy River in N.E.Queensland up to the Iron Range in Cape York Peninsular and can be found at sea level to high altitude but preferring the lower to moderate altitudes.

    Mostly an epiphyte but can sometimes be found growing on rocky outcrops.

    Flowering season is from December to May but can be continual throughout the year with the same plant flowering several times... so I am hoping that come December I will have another flush of flowers.


    Cheers
    Tim

  2. #2
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    Never seen a dendrobium like it. Looks like a Brassia.

    Great post, thanks for all the information about these Aussie den.s!

    Matt

  3. #3
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    Matt is right, the flowers look like a brassia. But the plant appears to be more like a dend, although the angle of the photos doesn't show the plant well. Are these on a cane then?

  4. #4
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    Looks strnage to me too. Although it does look nice.

  5. #5
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    Very unusual Den.
    Very striking.

  6. #6
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    Cool bloom, it is unusual

  7. #7
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    very unusual and nice description! from afar it looks almost like a brassidium or something...

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    Hi. I just ordered one of these but can't find any specific culture for it.
    What are the best conditions in which to grow this 'chid?
    Thanks

  9. #9
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    Welcome to the forum cb977!

    re culture of Dend tetragonum... I grow mine in fairly shaded conditions... that would mean no direct sun.... also I have them potted up in a fairly chunky, open mix of bark and perlite mix... it's very important to allow lots of air movement around the fine roots... as far as watering... make sure the mix dries enough to allow air to get through, this should be easy if you have a fairly open mix.... no real issue with temperature as mine gets from 7 celsius in winter and up to 40 celsius in summer.

    good luck with your plant! These plants are absolutely wonderful Aussies!

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