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Paph chamberlainianum

This is a discussion on Paph chamberlainianum within the General Orchid Culture forums, part of the Orchid Culture category; Orchidspecies.com lists this species as a hot-growing (sea level in Sumatra). I am wondering if ...

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  1. #1
    Aerides is offline Senior Member
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    Default Paph chamberlainianum

    Orchidspecies.com lists this species as a hot-growing (sea level in Sumatra). I am wondering if anyone has tried it under slightly cooler conditions (60-80F) and been successful with it.

    Any other tips and information would be most appreciated!

    Thanks a bunch!

    John

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    Aerides is offline Senior Member
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    P.S. It looks like Antec considers chamberlanianum and victoria-regina to be the same species. Orchidspecies.com lists them separately with different conditions and blooming habit. (help)


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    Paphraguy is offline Former User
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    John, I sent you 2 PMs, check your mailbox.

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    Heather is offline Banned
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    I saw that at Antec too. That it was listed as a variety. At one point I tried to figure out the renaming, wondered if it was regarding Queen Victoria's golden jubilee, but the timing of the name change was not remotely in the right era. Wierd about the different culture listings!

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    I've always wanted to grow one of these ever since I saw a pic of it on the front cover of some book years ago (I think it might have been Ortho's orchid growing). I'm curious what the conditions for it would be as well. The only plant we have with chamb in it is Helvetia (phillipinense x chamberlaineanum) and it's doing great in the 60-80 range you were talking about, John. It's in bud now but I'll post a pic when it blooms. Obviously though, being a primary, its requirements may very well be different from those of one of its parents...

    Pete, do you have one of these you've gotten to bloom? If you do, how do you grow yours?

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    My Paph Chamberlainianum is growing & flowering fine.



    It grows in a west window(UK) with some direct sunlight , enough to turn the leaves of some of my Phals a yellow/green.I use s/h for the medium & it seems to really like it.Temps occasinally get into the high 70,s but normally low to mid 70,s.Watering is with rainwater with about 1/2 strength balanced fert with a good flushing once a month.
    The new growth is growing fast & i,m on my 7th flower(had it about 3 to 4 months.
    It,s great when you get 2 out together.

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    uncasteeb, your plant looks great. How low do your temps go--what's the range? I'm wondering if I should try growing one or whether that would only be an exercise in frustration; even next to the cool cell, during the middle / end of summer, temps there can often rise into the mid 90s....

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    Temp range is probably 65f to around 80f.Night temps are always warmer than ambient as my 2 pc,s vent there warm air close to the window.

    I keep humidity above 80% when i,m in(spraying the medium every hour os so).
    The west window will probably get into the 90,s next week so i,ll probably water the s/h pot every morning to try to keep temps down around the roots.

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    Thanks, uncasteeb. The info is much appreciated. Think I may just get one and see if I can coax it into doing something....

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    Aerides is offline Senior Member
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    I finally got home from work and was able to do some research on chamberlainianum in the recent Braem volumes. The most annoying thing is that Cochlopetalum was slated for Volume 3 of The Genus Paphiopedilum (Braem/Baker), which was not published. And other than some notes on habitat in the Braem/Chiron Pahiopedilum there are no notes on culture. To paraphrase, he says that they grow on west-facing limestone cliffs embedded in moss near water seepage or catch basins - so have a nearly continuous supply of water. (Can I get sued for this?)

    Luckily, in the Braem/Baker in the section for Paph. Tonsum, he states that Tonsum is often found growing with, among others, chamberlainianum! Looking under Tonsum, we find roughly equivalent habitat characteristics as listed for chamberlanianum in the Braem/Chiron. Chamberlanianum goes a little lower, and tonsum goes a little higher, together comprising a range of 800 - 1600 meters. Otherwise, I guess we can assume similar cultural conditions for the two. To wit: relatively bright light, fairly narrow temperature range from low-mid 70s daytimes and 59-60 nights, with very slight seasonal variation. Good air movement, humidity not lower than 50 and higher is better, frequent watering in a well-drained mix.

    The question concerning whether victoria regina and chamberlainianum are distinct species is addressed at some length in the Braem/Chiron. Braem suggests that since Sander discusses both species in the same advertisement as distinct species, it would be illogical to assume that they are the same. However, he also states that "the identity of the plant described in Sander's advertisement remains an enigma.... Until documents turn up identifying the true identity of victoria regina, the name should not be used."

    In case anyone is interested..... (whew!)

    John

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