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Thread: Ampularia vine pitchers...

  1. #1
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    He, quickie for all of you neppies that have older ampularia. Do the vines not like to pitcher? My plant is vining (18" to 24"...haven't actually measured), and making basal pitchers like mad, but the buds on the vine don't seem to want to swell. Is this normal?
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    I read in the book "the Carnivorous Plants of Singapore" that amps rarely grow uppers and even when they do they are upside down and less then 1\2in.
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    Hi
    That is true, upper pitchers on Nepenthes ampullaria are very rare.
    There are 2 pics on the 2 books: "Nepenthes of Borneo" and on " Nepenthes of Sumatra and peninsular Malaysia" by Charles Clarke: 2 masterpieces!!!!

    Regards

    rajah

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    Somewhat Unstable superimposedhope's Avatar
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    I have never seen a pic of an amp upper.

    What purpose might it serve to stay in a juvenile rosettes state? Or is it an environmental factor?

    Joe
    \"There is nothing here of interest to any nation, as a matter of fact there is nothing here but humans!\"

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    The latest theory on amp is that it's actually a vegetarian carnivorous plant, if you can believe that. If you have ever seen it on the jungle floor it's a lot easier to accept. As you will know, the pitchers carpet the floor and cover big areas and the lids hang back so that the pitchers end up full of leaves and rubbish. This supposedly becomes fertiliser in the pitchers and prelim studies show that amp isn't particularly good at catching insects.

    The fact that amp rarely produces upper pitchers fits in well with this theory as they would be redundant.

    Cheers, Troy.

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    Dave,
    I think that what you were referring to are not upper traps, but the vine pitchers, which appear as clusters of traps along the vine, above the ground carpet.
    It's really hard to get amps to do that, and it may be a function of age. A friend of ours has some pretty big amps that are grown in a grow chamber-here in Florida, and they are producing the pitcher clusters along vines that are about four to five feet tall. At this point the vine becomes woody, and the clusters break thru at the nodes.
    Also, I suspect you need consistent very high humidity for a very long time to get them to perform this way.
    We anxiously await the day ours will do the same!

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    Dave/Trent,

    In addition to the clusters that appear on stems (which are lower pitchers), amps do occasionally produce upper pitchers. It is very rare. The upper pitchers are absolutely tiny and easy to miss if you're not looking for them. Dave, don't be disappointed if it's not producing them, they are singularly unimpressive. Rosettes on the climbing vine, however, are a completely different matter, and can be quite spectacular.

    Hamish
    Demystifying Nepenthes: http://www.nepenthesforeveryone.com

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    Nepenthes Specialist nepenthes gracilis's Avatar
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    Upper pitchers also have the tendril attachment and the lid attached on the same side of the pitcher. I've seen one at Mike Catalani's, it was interesting nonetheless but boring.

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