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Thread: Epiphytic?  utrics?  reeeeeaaaaallly?

  1. #25

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    Hi all ,

    here are some links to pictures I took while I was in the Carribeans. I found there some Utrics (U.alpina) growing on mossy trees on the sides of two volcanoes I climbed.

    Plants were growing in a perpetual humidity , providen by the monsoon-like daily rains (22 m = 66 ft rainfall per year ) . Only once a year they dry out , totaly , during the two months of the driest part of he year at that altitude (four about 1100 m = 3350 ft ) , what not mean they cant receive some humidity from the fresh morning fog

    I observed the leaves to be taller than thoose of the "typical" forms , more strong also. even the flowers are taller . the spur is bigger , pointing forward , longer than the labella.
    I have also seen many aborted flowers , as it seems this enormous humidity grade is a problem for the flowers .

    and now , enjoy !

    Patrice



    http://home.cyberfun.info/plantem....PG.html

    http://home.cyberfun.info/plantem....PG.html

    by the way : the red "things" are orchids...
    Patrice - France

    Worlds too big to be discovered !


    my site : http://carnibank.be

  2. #26
    Moderator Colieo's Avatar
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    Wow. that is something I would LOVE to do on a vacation! [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]


    Cole
    Duele no tenerte cerca, duele no escuchar tu voz. Duele respirar tu ausencia, pero, duele más decirte adiós.

  3. #27

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    Amazing photos... thanks for sharing.

  4. #28
    N=R* fs fp ne fl fi fc L Pyro's Avatar
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    I grow my alpina in a very loose media in one of those net water lily pots. I keep it moist and it is never sitting in water. When the top moss begins to look a little dry then I will topp water and allow all excess water to drain. Humidity is a little over room level (so maybe 50%) Light is bright indirect with about 2-3 hours sun.
    'My love was science- specifically biology and, more specifically, when placed in a common jar, which of two organisms would devour the other.'

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  5. #29
    Neps, Neps, Neps.........
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    WOW Joachim!!! Awesome U. humboldtii, I've got to get one of those!!! Anyone help?

  6. #30

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    Hey Patrice,

    Nice to see you around here, and thanks for the great photos. I just got U. alpina (a very nice start) so I appreciate the advice. I think generally this species should not dry off to much even in dormancy. My plan is to keep it moist when not in active growth, and wet but not waterlogged when it is putting out growth.
    "Grow More, Share More"

  7. #31

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    I agree with Pyro. I grow it in a mixture of fine orchid bark and dried sphagnum with a 1-2cm layer of pure dried sphagnum on top. I water it when the top of the media looks dry.

    Tamlin: if you can tell when U alpina has gone dormant, you're a better man than I. Mine has shown easily identifiable growth pattern.

    I've been reading Darwin's carnivorous plant book. He examined the tubers of U. alpina (known as U. montana to him) and found that they were not used for storing anything except for water. Apparently this is unusual in the plant world, tubers usually store starch as well as water.

    He also allowed it to go without water for 30 days and observed the tubers shrinking, although they became turgid again shortly after they were watered.

  8. #32

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    So it doesn't sound as if anyone keeps alpina as wet as humboldtii (standing in water)... I've kept mine wet, but not sitting in water, and they seem pretty happy... it doesn't appear from your comments that they are as fussy about dormancy as other plants.

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