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Thread: Tropical or temperate?

  1. #1

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    How do you tell the difference between a tropical and temperate Drosera intermedia? These came from Hope Despot last March, all were small sprouts in the same container. The largest one is about 3" across and the blossoms are white. Thanks in advance for any info anyone could give me.


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    If they came from home depot they are more likely then not the "cuba" form ,but as I`am no expert don`t quote me!
    [img]http://home.**********.com/users/pondboy/Neps/Neps%20sig..JPG[/img]

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    goldtrap2690's Avatar
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    it depends where you live , if you live in the north where its cold and chilly it might as well be a temperate you are in the south it is more likely a tropical . btw , how are you growing the pants , looks like your keeping it waterlogged with bladderworts .

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    I live in the South so it must be a Cuban and I'll just keep them in the enclosure for the winter. I'm growing the plants in an
    ice cream sundae bowl with about 1-1/2" of peat/sand topped with a Fluval brand foam aquairium filter element. The filter
    element is very porous so it's easy to flush the old water with fresh water which keeps it from stagnating. I originally had
    them growing a mixture of 50/50 peat and sand (per "The Savage Garden"), but algae got so bad that it blocked the roots
    from getting oxygen and the plants became stunted. I based this growing method on observations of wild ones in Florida.
    Since I planted the sundews in their current setup, they have more than doubled in size in a little less than two months.
    They are constantly waterlogged and the other stuff is some type of moss that I can't get rid of. I occasionally use a pair
    of tweezers to thin it out, but I can't get all of it without damaging the plants and as long as it remains harmless, I'll let it
    go.

    Thanks for the verification, guys.

    Alan

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    Drosera intermedia 'Cuba' is a smaller plant than many of the temperate forms of D. intermedia. In my experience, the 'Cuba' form is less than 1/2 the size of the temperate form. The temperate form I have grown has a leaf petiol of roughly 2 inches while the 'Cuba' or tropical form has a leaf petiol of 1 inch.

    You can also tell if you have the temperate form if the plant starts to form a hybernaculum.


    Drosera intermedia hybernaculum.


    Same plant after coming out of dormancy.
    Nick

    Careful where you crawl, it might be a trap!

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  6. #6
    It's been one of dem days BigCarnivourKid's Avatar
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    These are a couple of my D. intermedia 'Cuba'. They are about 1" (4cm) in diameter. They flower constantly, but I don't think I've ever seen an open blossom.
    [img]http://home.**********.com/steve_allinger/images/My%20CPs/D.%20intermedia%20'Cuba'.jpg[/img]

    [img]http://www.**********.com/iB_html/non-cgi/emoticons/alien.gif[/img]
    ---Steve Allinger---

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    My Grow List

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    Copper's Avatar
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    I also have not seen the flowers open, but I know that they must. I have sown many seed from what I believe is a "Cuba".
    and many young have appeared.
    I am just like a Super Hero, but without the power or motivation.................and the funky suit.

  8. #8

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    I have, on a lucky glance! They opened and closed within an hour!

    SF [img]http://www.**********.com/iB_html/non-cgi/emoticons/wow.gif[/img]

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