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448 Views 5 Replies Last post: Apr 30, 2014 4:05 PM by MikeHardman RSS
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Apr 26, 2014 11:00 PM

Calcareous plant ?

Hi again

 

Found a few of these small plants flowering on some local chalk/limescale hollows near Stamford yesterday.

I really should know them, but can't pull it out of my mental filing system !

 

An ID would be much appreciated.

Thanks

 

Charles

 

http://www.nhm.ac.uk/natureplus/servlet/JiveServlet/showImage/2-44403-72923/017reduced.jpg

 

http://www.nhm.ac.uk/natureplus/servlet/JiveServlet/showImage/2-44403-72924/022reduced.jpg

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  • Currently Being Moderated
    Apr 27, 2014 7:40 AM (in response to Wildviews)
    Re: Calcareous plant ?

    It is a sedge, Carex.

     

    It looks to me superficially like C. humilis (dwarf sedge), but Stamford is not in its recorded range (see http://www.brc.ac.uk/plantatlas/index.php?q=node/763).

     

    Carex is a confusing genus.  The BSBI's Plant Crib starts its section on Carex by stating "the BSBI Handbook Sedges of the British Isles is essential", "Most species show great variation in vegetative characters, and fruiting material is often essential for identification.", and then handles the genus as 15 groups of (more) species. As it happens, C. humilis is not one of those.

     

    Anyway, I suggest you do either/both:

    - Go to this BSBI ID page, enter 'Carex' in the first box, then work through the subsequent questions. You will have to look at the plant in the field again to get some of the answers.

    - Follow the key in Carex section of the Plant Crib

     

    Please post here to let us know what decision you come to.

     

    Good luck,

    Mike

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      • Currently Being Moderated
        Apr 28, 2014 6:07 AM (in response to Wildviews)
        Re: Calcareous plant ?

        Charles,

         

        Well done for getting a pretty short short-list.

         

        The man to speak with is Arthur Chater, the BSBI's referee for these Carex species.

        The services of BSBI referees (such as myself, for Viola) are normally available only to BSBI members.

        But maybe if we ask nicely he'll make an exception for you...

        For his contact details, email me.

         

        Mike

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          • Currently Being Moderated
            Apr 30, 2014 4:05 PM (in response to Wildviews)
            Re: Calcareous plant ?

            Charles,

             

            Thanks for the further research; good to have a good ID.

             

            My thanks to Arthur Chater for making his referee services available outside the normal remit of BSBI members.

             

            Mike

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