Identification: Sichuan maple identification

Discussion in 'Maples' started by paion, Dec 4, 2010.

  1. paion

    paion Active Member 10 Years

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    Can anyone help me ID these maples photographed in Sichuan in September and October?

    #1 is from Luoji Shan in S Sichuan, between 2500 and 3000m altitude.
     

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  2. paion

    paion Active Member 10 Years

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    #2 is from Hailuogou, WC Sichuan, 3000m
     

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  3. paion

    paion Active Member 10 Years

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    #3 is also from Hailuogou, WC Sichuan, 2500m
     

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  4. paion

    paion Active Member 10 Years

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    ...and the last one, #4, also from Hailuogou at around 2500m.
     

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  5. Ron B

    Ron B Paragon of Plants 10 Years

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  6. Ron B

    Ron B Paragon of Plants 10 Years

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  7. paion

    paion Active Member 10 Years

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    Thanks Ron, I suspected they would prove difficult if not impossible to positively identify...
     
  8. paion

    paion Active Member 10 Years

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  9. Michael F

    Michael F Paragon of Plants Forums Moderator 10 Years

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    Certainly looks like a birch, probably Betula albosinensis, to me.
     
  10. paion

    paion Active Member 10 Years

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    Sorry, had another look at the full size image, and I guess you're both right, I had to do some acrobatics to get the pictures (and a few seeds), so must have missed the obvious.
     

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  11. paion

    paion Active Member 10 Years

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    Any idea what section this belongs to? Also Hailuogou, around 2500m. (Sorry for the quality, it was raining.)
     

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  12. Ron B

    Ron B Paragon of Plants 10 Years

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    Probably Section Palmata, Series Sinensia.
     
  13. maf

    maf Generous Contributor Maple Society 10 Years

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    I had a similar thought but wasn't originally sure enough of myself to post. Acer sinense (A. campbelli subsp. sinense), for example, looks similar and is native to Sichuan at 2500m. (Not saying it is this species, just putting it forward as one possibility.)
    A. sinense at Flora of China
    Illustration
     
  14. alex66

    alex66 Rising Contributor Maple Society 10 Years

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    1,2=acer davidii very similar, is native of Sichuan, the last pic i agree with maf
     
  15. Ron B

    Ron B Paragon of Plants 10 Years

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    The page I linked to the first time says 13 Sec. Macrantha maple species occur in China.
     
  16. paion

    paion Active Member 10 Years

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    Thanks guys, it's all noted down on the labels :) Are there maples of sect. Sinensia that are reliably hardy in a (cool) maritime z7?

    ...and these can be whittled down further if the listed distributions are to be trusted: AA. davidii, forrestii, laxiflorum, maximowiczii, pectinatum. #1 and #2 were both shrubby, #2 was rather compact as well, but it was growing rather exposed.
     
  17. Ron B

    Ron B Paragon of Plants 10 Years

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    Trees growing in a shrub-like manner a function of site conditions. Subalpine fir, for instance can be a 100' spire or a creeping mat.
     

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