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434 Views 2 Replies Last post: Jul 28, 2014 4:14 PM by DMcKenzie RSS
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Jul 21, 2014 11:19 AM

Unidentified broadleaf, Bayswater, London

Hi,

 

I was hoping this would be a straightforward identification given the rather distinctive leaf with three main veins but, alas, I'm at a bit of a loss.

 

Any help appreciated.

 

Des.

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  • Currently Being Moderated
    Jul 21, 2014 2:39 PM (in response to DMcKenzie)
    Re: Unidentified broadleaf, Bayswater, London

    Des,

     

    This is katsura, Cercidiphyllum japonicum

    - http://en.wikipedia.org/wiki/Cercidiphyllum_japonicum

     

    There are a few trees with simiarly-shaped leaves:

    - Cercis siliquastrum (and other species, collectively called redbuds) - the most common

    - Cercidiphyllum japonicum and magnificum

    - Disanthus cercidifolius - the least common (all in my reckoning)

     

    Discriminatory note:

    - Cercis and Cercidiphyllum make fair-sized trees

    - Cercis has the largest leaves; they are alternate.

    - Cercidiphyllum and Disanthus have smaller leaves.

    - Cercidiphyllum leaves are opposite

    - Disanthus makes a large shrub but not a tree; its leaves are alternate

    - Past sapling stage, Cercidiphyllum japonicum has rough bark, C. magnificum has smooth bark.

    Given that info, you can make yourself a little key.

     

    Possible trick to be learned:

    You didn't recognize this particular species, but maybe you thought the leaves were like a Cercis?...

    Always worth a shot in such a situation: search for ...folius and ...phyllum.

    In this case, cercidofolius and cercidiphyllum would have helped.

     

    Mike

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