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Thread: Pinguicula macroceras subsp. nortensis

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    jesse's Avatar
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    Pinguicula macroceras subsp. nortensis

    Hello,
    as this is an U.S. species and the plants are currently starting flowering in my mini-bog, perhaps someone on this forum might be interested to have a look.

    Pinguicula macroceras subsp. nortensis is the first carnivorous species in my mini-bog to flower each year. I'm located near Hamburg, Germany.

    Some plants are potted:


    Most are planted in a mini-bog:


    First they are in buds:


    Then the buds open:


    Then there are flowers:








    A strange effect in flower coloring can be watched with this species: The lower half of the flower appears in different colors, depending on the lighting situation. All of the pictures above had been taken in "blue shadow", that means in full shadow under a clear blue sky on a sunny day. But if you take a photo in direct sunlight, the color appears different.

    Is it a magic trick shown by the flower?

    The last picture and the next one show the same flower on the same day, this is the picture taken in direct sunlight:

    Watch out for the color: The flower not just shows a white spot, but almost the lower half of the flower appears nearly white.
    Last edited by Joseph Clemens; 05-26-2011 at 10:10 PM. Reason: N. A.

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    Hello, I must be going... Not a Number's Avatar
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    Very interesting observations. This species is very sensitive to in-breeding depression so keep good records on pollination.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

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    Quote Originally Posted by Not a Number View Post
    This species is very sensitive to in-breeding depression so keep good records on pollination.
    Pollination?
    Is this species self-fertile with itself?

    Just let me explain: I started with this species two years ago with not more than one portion of about 15 very small winter gemmae. If I should make a guess, the original portion of gemmae was from one plant only. One year later each plant produced about 15 new gemmae which I spread in my mini-bog (15x15 = about 225 then).

    Now that one more year had gone, I have hundreds of plants in different sizes. Last year, none of the (few) flowers had set seed.

    Do you think they will set seed if they are all propagated from the same single plant?

    Do you think the population would benefit from more different genes, such like mixing it with seed grown plants from a different source instead of vegetative reproduction only?

    Vegetative multiplication is very effective with my plants, as every single plant creates about 15-20 gemmae, each of them growing to an adult plant the next season (if I had the place for them all to spread in my bog garden).

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    suite

    for me she is self-fertile like a lot of others temperate .

    attention nevertheless by cross with an other specie , often in cultivate all the species are close , and cross is possible by the insect and the wind.

    for me to have a specie pure and clean the buds(gemmae) are ideal .

    jeff

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    Quote Originally Posted by jeff 2 View Post
    for me she is self-fertile like a lot of others temperate .
    Thanks for information! So I will look out for seeds this year. As there will be more than a hundred flowers and the plants are kept outdoors, I should see seed capsules in some weeks - if they are fertile.

    Quote Originally Posted by jeff 2 View Post
    attention nevertheless by cross with an other specie , often in cultivate all the species are close , and cross is possible by the insect and the wind.
    Currently, I have no pinguicula species flowering so early in the year. My only other Pinguicula species with buds in flowering size is P. grandiflora, but I think they will start flowering when P. macroceras ssp. nortensis is through with it.

    I purchased some Pinguicula gemmae of different species and hybrids earlier this year, so perhaps next year there are some more Pinguicula species flowering in my mini-bogs and more chances of hybrid generation than this year.

    Just in case somebody wants to see the same flower in three views: Front view, side view and top view:


    (Don't mind the bananas in the background, picture has been taken in my kitchen.)
    Last edited by jesse; 04-19-2011 at 04:58 AM.

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    suite

    here in FRANCE a lot of temperate ping are in flower , and mine 'ex situ' ,now ,are all in seeds .

    attention , a lot of temperate ping are clayed alcaline just some one have need blond peat .

    jeff

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    Quote Originally Posted by jeff 2 View Post
    here in FRANCE a lot of temperate ping are in flower , and mine 'ex situ' ,now ,are all in seeds .
    Currently it's VERY warm weather in Germany.
    Nearly no rain for two months now. Very dry.
    Warm like in summer, full sun and max. daytime temperature of 23°C.
    Very unusual for April in Northern Germany.
    Next species flowering in my location near Hamburg will be Pinguicula grandiflora.

    Quote Originally Posted by jeff 2 View Post
    attention , a lot of temperate ping are clayed alcaline just some one have need blond peat .
    Yes, I know, some cold-temperate Pinguicula prefer limestome in the growing medium.
    That's a lesson I already learned.

    Two years ago I started with 3 species of cold-temperate Pinguicula:
    P. macroceras ssp. nortensis and P. vallisneriifolia from gemmae and P. grandiflora from seeds.
    I kept all these three species in pure peat. Not very blonde peat, I think (as it was cheap and looked very dark), it has been mixed with a lot of brown and black peat by the manufacturer. But only P. macroceras ssp. nortensis and P. grandiflora were (and are!) doing well in that dark peat I used. P. vallisneriifolia was slowly declining.

    So this year I started again with some cold-temperate Pinguicula species, also P. vallisneriifolia. This time I'm using a lot of limestone and silica sand for P. vallisneriifolia, mixed with some peat only. Hope this works better.

    You are writing about "clayed alcaline", what kind of a mix is that?
    More a mix with clay instead of limestone?

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    suite

    vallisneriifolia is a calcareous species 'in situ' often we find them in 'epiphyte ' on limestone cliff see my web site to this specie I have some picture.

    'ex situ' to have long leaves ( sometimes 20cm) tilt the pot .

    I use for some of my temperate and also some of my mexican this substrate

    50% cat liter [ with now 'akadama'( bonzaï clay), in this % 10-20%]
    12.5% pouzzolane
    12.5% river sand
    12.5% vermiculite
    12.5% oolithic calcareous sand ( find here in my country)

    these % are just approximate

    the river sand is very important for the capillarity , without you have no contact with the others materials and the roots .

    jeff

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