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Thread: Pinguicula Vulgaris prefers alkaline, rocky cliff faces in the USA?

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    rakovsky's Avatar
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    Arrow Pinguicula Vulgaris prefers alkaline, rocky cliff faces in the USA?

    Pinguicula vulgaris
    is a well-known calciphile (favoring alkaline or lime-rich habitats) and as with most insectivorous plants, prefers wet substrates. It is found in moist alkaline rock crevices and outcrops; rocky or gravelly shores, sandy, interdunal shoreline flats; marshy soils near bogs, wet alvars, and the marly, calcareous soils of coastal and northern fens. It also occurs in Lake Superior coastal areas where it inhabits volcanic bedrock lakeshore areas, favoring basalts and conglomerate bedrock types. Most Michigan locations are along Great Lakes shores, particularly on rocky, wet beaches and nearshore wetlands and interdunal areas.
    http://mnfi.anr.msu.edu/abstracts/bo...a_vulgaris.pdf
    Butterwort is New York's only insectivorous plant which is not found in a marsh, bog, or swamp.

    [NEW YORK] State Ranking Justification
    There are six known populations and approximately six additional historical populations of this plant. Most of these populations are on well-protected cliffs
    http://www.acris.nynhp.org/guide.php?id=9171


    In Maine



    How does this affect how you would grow it domestically?
    Last edited by rakovsky; 09-01-2014 at 11:19 PM.

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    Cthulhu138's Avatar
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    It doesn't really. The plant will grow just fine on a peat/sand mix. Summer heat and sun can be a problem for it though, it's best to grow it somewhat shaded during the hotter months.

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    I live a couple miles from one of the P. vulgaris sites in NY, I believe it is the southernmost one. The populations in NY state are leftovers from the last ice age. They are only able to hang on because they live in cold water seeps or in the spray zone of waterfalls which keeps them cool enough in the summer.

    Farther north in northern Michigan/Wisconsin and in Canada, they grow in sphagnum bogs like most native carnivorous plants.

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    jeff 2's Avatar
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    Bonjour

    here in europe you can find the P.vulgaris subsp vulgaris in 2 substrats : calcareous , acid some time in gypsum

    here in FRANCE most often in swampy land, bogs and very rarely on limestone cliffs

    jeff

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    Lotsa blue bluemax's Avatar
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    Here in Washington State (US) I have seen this species growing on steep, rocky faces with cool, running water. These have always been in elevation zones where the winters are long and cold and there is a lot of snowfall. Perhaps some of the European forms are more heat-tolerant?
    - Mark

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    jeff 2's Avatar
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    Bonjour

    here in FRANCE, we have less and less P. vulgaris subsp vulgaris of plains, but more in the mountains and to altitudes above 1200 m, it can then take the name of P. vulgaris subsp vulgaris var alpicola ,this variety was bigger the standard form

    here also we have a problem with the global warming

    jeff
    Last edited by jeff 2; 01-05-2015 at 09:36 AM.

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    Lotsa blue bluemax's Avatar
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    Quote Originally Posted by jeff 2 View Post
    Bonjour

    here in FRANCE, we have less and less P. vulgaris subsp vulgaris of plains, but more in the mountains and to altitudes above 1200 m, it can then take the name of P. vulgaris subsp vulgaris var alpicola ,this variety was bigger the standard form

    here also we have a problem with the global warming

    jeff
    Very interesting. 'Makes me wonder if there is a form of this species here in the US that also grows at lower elevations. The populations I know of are at higher than 1200 meters elevations.
    - Mark

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    jeff 2's Avatar
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    have you some pictures to these vulgaris subsp vulgaris, specialy the corolla throat ?

    jeff
    Last edited by jeff 2; 01-06-2015 at 07:31 AM.

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