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Onc. Mendenhall Hildos ID ?

This is a discussion on Onc. Mendenhall Hildos ID ? within the General Orchid Culture forums, part of the Orchid Culture category; WOW! What an information rich environment! You guys & gals are great. So I have ...

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  1. #11
    Mark V's Avatar
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    WOW! What an information rich environment! You guys & gals are great. So I have one less onc. on the plant stand and I have my first psychopsis. I'm not surprised Hildegard (the cool lady I got it from in Califon, NJ. Anybody know her?) marked the tag onc. She has been growing orchids for many, many decades. Jane & Colin, your pics are great and very informative.
    I didn't have any idea what the blooms would look like when I got the plant but the foliage looked so good and I wanted to see what one of the parents (is that the right term) of my zygo. Kiwi Geyser x Mendenhall looked like. Of course the more information there is, the more questions are born.

    1. Is pyp. the abreviation for psycopsis?
    2. Psychopsis Mendenhall Hildos isn't one of the progenitors of Zygopetallum Kiwi Geyser X Mendenhall, is it?
    3. Is the general culture for Psychopsis the same sa for the more leathery Oncidiums?
    4. I have been increasing its time in direct morning sun and the foliage looks healthier for it. How much direct sun will Psychopsis take?
    5. Does the new growth orient to sunlight? By tilting the pot can I encourage a more attractive plant?

    Thanks for all the help. This is fun
    Mark

  2. #12
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    Hi Mark,

    Yes, Pyp is the abbreviation.
    No, a different genus name (as in Pyp or Zygo) means you're talking about completely different species. That is, unless it's a renamed genus, as happened when Pyp's were changed from Onc to Pyp. Onc Mendenhall is the same as Pyp Mendenhall.

    If you haven't read this, you might want to:
    http://www.rv-orchidworks.com/orchid...ead.php?t=4163

    In orchid names, capitalization and quotes all have specific meaning.

    As for culture, I give my Pyps a bit more water and humidity than my Onc's, but otherwise they're similar. Any Psychopsis gurus want to chime in...Diane?

    Julie

  3. #13
    Mark V's Avatar
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    Ah !!! the 'Mendenhall ' is the cultivar name. Can you tell I just read the orchid name thread for the first time.

  4. #14
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    Well Mark, considering the thickness of those glasses you are wearing, it's no wonder you had a hard time telling if it was the cultivar or the species or the growers name!! most Psychopsis will produce the lovely maroon mottled foliage. The more light, the more mottled the leaves. You can burn them, so keep it to about 4 -5 hours of sun at most, or if you grow under lights they can take onc. conditions with a bit more water. Mine are all in bark and seem to love it. I have about 10 now, all supposedly slightly different. (at least the tags say they are all different).

    My Kahili 'Big' and my kramerianum both have solid green leaves even though they are grown in with the other Pyps. (you know I like calling them Psys better, even though it isn't "taxonomically correct".) Once they start to spike you will have blooms fairly regularly. The spike takes quite a while to get to bloom stage, the leaves may be only 4 or 5 inches and the spike will be 24" tall with a single, spectacular blossom on the end.

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    Diane,

    Do you let your Psychopsis dry out between waterings, or do they prefer even moisture?

    Julie

  6. #16
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    I don't let them get as dry as a catt, but close. I try to water when there is moisture left only in the very bottom of the media.

  7. #17
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    I watered mine too much (I had it in 4" clay pot with small lava rock). I began to notice mold on the roots last week so I repotted it again, so it is pout. I wish I had had it in a clear pot so I can see the roots. I feel better judgement on watering if I can see some of the roots. Darn, I had the feeling I might loss this plant.

    Qing

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    Good luck with it, Qing!

    I was asking because the spike tip browned off in all that high heat we had (several 100+ days.) You'd mentioned they're fussy about the moisture and temps. Now there are small signs of new spike growth. Don't want it to happen again!

    Julie

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    Quote Originally Posted by Piper View Post
    Good luck with it, Qing!

    I was asking because the spike tip browned off in all that high heat we had (several 100+ days.) You'd mentioned they're fussy about the moisture and temps. Now there are small signs of new spike growth. Don't want it to happen again!

    Julie
    Aha! I told you it would regrow! Once the spike starts, you have to kill the plant to kill the spike. It may be slow, but its worth it when it gets there.

    Watering is important, but so is humidity. Daily misting of the spike in the morning is my ritual.

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    I was setting up my mendenhall for some foilage pics and a bud got knocked off the spike so I put it back...

    The last leaf it grew is 12" long, and looks kind of out of place.

    Other news from the Pyp camp:

    The NOID I bought some time ago has a bud and a new growth coming in, so soon enough Ill know.

    My papillo alba has some business going on, growth coming from the spike side of the PB!

    Share with you guys when it starts doing things...

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