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Dendrobium quadrisulcatum, Philippine Orchids

This is a discussion on Dendrobium quadrisulcatum, Philippine Orchids within the Cattleyas, Vandas, Dendrobiums IN BLOOM forums, part of the Orchid Photography category; very nice....

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  1. #11
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    very nice.

  2. #12
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    Dendrobium quadrisulcatum is a synonym of Dendrobium (Distichorchis) uniflorum.

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    hmmm, now im confused.
    Jim has those 2 separated in his book and D.quadrisulcatum has a much shorter labellum, aside from the centered ridge.
    however, when i compared my shots with Derek's, his flower does resemble D.uniflorum, just a bit smaller, possibly from a younger plant?

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    I am of the position that the two are one and the same plant, as I could not see distinct morphological differences that sets the two apart. It has been suggested that D. quadrisulcatum has smaller flowers, but flower size is not a factor, especially when we are dealing with something as very widespread as D. uniflorum, whose potential to display variations is great.

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    ok, thanks for your input Wally!

  7. #17
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    Quote Originally Posted by mr. suarez View Post
    I am of the position that the two are one and the same plant, as I could not see distinct morphological differences that sets the two apart. It has been suggested that D. quadrisulcatum has smaller flowers, but flower size is not a factor, especially when we are dealing with something as very widespread as D. uniflorum, whose potential to display variations is great.
    Thanks for the explanation Walter.

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