Red flower clusters / Tree ID needed

Discussion in 'Plants: Identification' started by dlbk, May 28, 2011.

  1. dlbk

    dlbk Member

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    This tree is growing in Massachusetts, Z6a. I've never seen it before. Can anyone help ID?
    The upward arching branches remind me of Rose of Sharon (Hibiscus syriacus) but I've never seen flower clusters like this.


    Thanks,
    Deb
     

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  2. Silver surfer

    Silver surfer Generous Contributor 10 Years

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  3. dlbk

    dlbk Member

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    SS -

    Thank you! It is indeed Crataegus laevigata.

    dlbk
     
  4. Ron B

    Ron B Paragon of Plants 10 Years

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    Hawthorn expert J. Phipps says (2003) that 'Paul's Scarlet' belongs to the hybrid Crataegus x media and that it is a crimson-flowered sport of 'Rubra Plena', "to which it is apparently constantly reverting back". See his Timber Press book Hawthorns and Medlars for additional discussion, and photos of 'Paul's Scarlet' and 'Rubra Plena'.
     
  5. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    Well, that was an eye-opener. This is a bit (a lot) off topic, but I was trying to imagine why anyone would pick those two trees to write about in a single book. Now I see they're closely related, and there's even a Crataegomespilus grandiflora, a medlar hawthorn, which I found described as a chimera.
     
  6. paion

    paion Active Member 10 Years

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    A.k.a. a graft hybrid, presumably... Anyone know which species is used as the root stock?
     
  7. Silver surfer

    Silver surfer Generous Contributor 10 Years

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    Over here I believe they use common Hawthorn.
     
  8. paion

    paion Active Member 10 Years

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    Oh sorry, I ment which of the medlar and the hawthorn for the graft hybrid. Isn't Laburnum always used as a root stock for +Laburnocytisus?
     

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