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Phal vs. Dtps?

This is a discussion on Phal vs. Dtps? within the General Orchid Culture forums, part of the Orchid Culture category; Is there a way to tell if an noid plant is a phal or a ...

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  1. #1
    Liz's Avatar
    Liz
    Liz is offline Senior Member
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    Default Phal vs. Dtps?

    Is there a way to tell if an noid plant is a phal or a dtps? Are there any distinguishing characteristics?
    Liz

  2. #2
    LJA's Avatar
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    Liz, that's going to be really difficult. In a very general sense, Dorits has a smaller growth habit; ie., smaller leaves, more compact, and smaller blooms. There are, however, exceptions, so that is *not* engraved in stone, and Dtps. can very easily take on the larger characteristics of the Phal, or the more compact characteristics of the Doritis. Throw cloning into the mix which, in many cases, will *not* yield an exact duplicate, and the Genus of your plant gets completely thrown up for grabs.

    Unless your is a primary hybrid which is well known and easily identifiable, without expensive DNA testing, there's just not going to be any way to tell for sure.

  3. #3
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    I agree with Louis. Since Doritis only has one species, most of the Dtps we encounter contain more phal than doritis. One dose of doritis in the distant past is enough to generate a dtps. The only way it would be easy to tell a dtps is if there is some distinguishing characteristic that must arise from the doritis. i.e. small upright plant habit, small flowers very similar to the doritis parent...which would factor only if the doritis influence was very recent in the lineage of the unknown plant. The vast majority of phal hybrids could easily be dtps hybrids, and vice versa.

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    I figured it was pretty hard to tell. I recently got an Earth Star that was advertised as a phal, but I've seen it elsewhere as a dtps, so I guess someone else is confused, too. It really doesn't make a difference to me... I've got another noid phal/dtps with an 18" spike (huge!), and big 3" flowers, but the leaves look more like a seedling's, 2-4" long and oval, unlike the leaves on my other phals, which are longer and more pointed, not so oval. I was just kind of wondering...
    Thanks.

  5. #5
    Heather is offline Banned
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    I have a vague memory of reading somewhere that Dtps. often had redish tinges on the underside of the leaves. Mine does, but it is also *bright* purple, and I know that w/ Catts. that sometimes has something to do w/ the color of the plant.

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