bactrus: Upper and Lowwer Pitcher

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bactrus
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Upper and Lower Pitcher
« Thread Started on Oct 3, 2007, 11:42am » Please excuse my ignorant. What is upper pitcher and what is lower pitcher? Lower = those at bottom and upper those on top?

Some education needed here.



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Re: Upper and Lower Pitcher
« Reply #1 on Oct 3, 2007, 12:39pm » Hi bactrus,
Yup, upper pitchers are the ones on the top, and lower pitchers are the ones at the bottom, BUT they have different shapes. The lower ones have the normal shapes of their pitchers, while upper pitchers are usually trumpet-like shapes.

N. Rafflesiana lower pitcher:



N. Rafflesiana upper pitcher:



pictures taken from wikipedia.

p/s: there are also intermediate pitchers too.
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Re: Upper and Lower Pitcher
« Reply #2 on Oct 3, 2007, 1:06pm » Here my Raff upper pitcher!

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Re: Upper and Lower Pitcher
« Reply #3 on Oct 3, 2007, 1:29pm » Thank you.
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Re: Upper and Lower Pitcher
« Reply #4 on Oct 3, 2007, 1:39pm » Guys, why is it that my raff still don't produce upper pitchers even after six whole years??? I tie the main stem upright, so far only 1 basal shoot came out of it, and already it's pitchering, but the main stem also keeps giving out lower pitchers like it always does. anyone got an idea what I should do? btw it's standing in full sun and the leaves have that red spotty tan to it. I tried grouping lots of stalky plants around it but the tendrils do not coil. the main stem stays at two feet more.
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Re: Upper and Lower Pitcher
« Reply #5 on Oct 3, 2007, 4:03pm » Ok, I am not a guy.. but here goes.

I may be not correct as I haven't been on many field trips...but I don't remember seeing rafflesiana plants which are out in the open have upper pitchers and when I see upper pitchers, the basals are hidden in shade. Perhaps Robert can comment on this.
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Re: Upper and Lower Pitcher
« Reply #6 on Oct 3, 2007, 4:15pm » Ahhh thanks a bunch, cindy ...I should rephrase it to guys and gals...I think you repeated that statement somewhere in GCS forum made me lol..!
If it was gracilis and raffs living together in one habitat (my garden that is), it seems strange that the gracilis will put out upper pitchers when the two plants are sitting side by side...in fact the gracilis tendrils are all over the raff plant...
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Re: Upper and Lower Pitcher
« Reply #7 on Oct 3, 2007, 11:46pm »
Quote:Guys, why is it that my raff still don't produce upper pitchers even after six whole years??? I tie the main stem upright, so far only 1 basal shoot came out of it, and already it's pitchering, but the main stem also keeps giving out lower pitchers like it always does. anyone got an idea what I should do? btw it's standing in full sun and the leaves have that red spotty tan to it. I tried grouping lots of stalky plants around it but the tendrils do not coil. the main stem stays at two feet more.

i had a raff tip cutting ,already one year. Though there are tendrils but no pitchers ever form. Probably it was the warm and humidity differences from the original place where it was collected.

In the wild they produce lower and upper pitchers regardless of height or the habitat where they thrive.
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Re: Upper and Lower Pitcher
« Reply #8 on Oct 5, 2007, 11:53pm » Sometimes when a plant is actively growing, the plants has other movtives. many times uppers are fromed when they can cling to support. This is probably a mechanism that prevents a plant from toppling over due to their upper pitchers weight. Try allowing their tenacious tendrils to cling to something and then stand back!

M
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