Acer carpinifolium

Discussion in 'Maple Photo Gallery' started by mendocinomaples, Apr 10, 2005.

  1. mendocinomaples

    mendocinomaples Active Member Maple Society 10 Years

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    This maple has very unusual leaves that look like a hornbeam. Hence the name "Hornbeam Maple". Small tree with rich green leaves that turn to yellow in the fall.
     

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  2. Andre

    Andre Active Member Maple Society 10 Years

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    Japanese maple. Seeds are often empty.

    More infos here or here
     

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    Last edited: Oct 9, 2005
  3. Ron B

    Ron B Paragon of Plants 10 Years

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    UBC Lam Asian Garden has a handsome specimen.
     
  4. Michael F

    Michael F Paragon of Plants Forums Moderator 10 Years

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    Probably reflects limited availability of suitable pollen in cultivation, rather than a characteristic of the species.
     
  5. mendocinomaples

    mendocinomaples Active Member Maple Society 10 Years

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    Carpinifolium is dioecious, Which means the sexes are seperate. A male plant must be nearby to pollinate a female plant. If the seeds (from a female flower) do not firm up (they are "empty") and become viable it is because the flowers were not pollinated.

    To help faciltate pollination, a male branch can be grafted onto a female plant to help produce viable seeds. Or... you can hand pollinate...by dusting the female flower with a male flower.
     
  6. Laurie

    Laurie Active Member Maple Society 10 Years

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    Acer carpinifolium - private collection. Late May and mid-October; the brown leaves do indeed remain on the tree through the winter and until the new leaves emerge.
     

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    Last edited: Dec 20, 2005
  7. Laurie

    Laurie Active Member Maple Society 10 Years

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    Acer carpinifolium - Washington Park Arboretum, Seattle, accessions 1953 and 1992. Native to mountain forests of Japan and reported to be hardy to USDA Z4.
     

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  8. Laurie

    Laurie Active Member Maple Society 10 Years

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    Acer carpinifolium - UWBG Arboretum, accessions 1953 and 1999.
    Interestingly, the 1953 specimen was fully leafed out and with fruit in mid-April, while the young 1999 specimen did not leaf out until May (fourth photo May 11), although both are in sun.
     

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  9. erniew

    erniew Member

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    Colorful spring foliage at the Morton Arboretum.
     

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  10. smalljaw

    smalljaw Member

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    Whatsup Ernie . I think we meet in Louisville at Yewdell . I was the other person below the age of 35 . ha ha . I love carpinifolium , but can be dang hard to convince somebody they need it . You got to want it . ahhhhh....'Esveld Select' ( insert drool ) There are at least 3 floating around this state .
     
  11. alex66

    alex66 Rising Contributor Maple Society 10 Years

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    beautiful maple!most delicate for central Italian climate.pics date spring 2008
     

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  12. Carrera

    Carrera Member

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    DSC01233small.jpg

    Young example that had some damage in shipping, leaving it somewhat lop-sided but luckily that hasn't inhibited it from putting out lots of leaves this year!
     
  13. AlainK

    AlainK Renowned Contributor Forums Moderator Maple Society 10 Years

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    I collected samaras in October 2024 but stratified them only in late december. They were the first ones to to begin to germinate, in February. I put some of them in pots and left them outside. In spite of light frosts in the morning, most of them seem to develop nicely :

    Acer-carpinifolium_250209a.jpg Acer-carpinifolium_250209b.jpg Acer-carpinifolium_250303a.jpg
     
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  14. emery

    emery Renowned Contributor Maple Society 10 Years

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    Well done, and lucky you! Because carpinifolium is "mostly"dioecious, and fairly rare, it's unusual to find oppositely sexed individuals growing close enough to make viable seed, outside of Japan anyway. That's why the seed is usually parthenocarpic.

    I say "mostly" because sometimes a branch will take on the other sex from the rest of the tree. It's rare but has been observed (though not by me).

    Cheers, -E
     
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  15. Michael F

    Michael F Paragon of Plants Forums Moderator 10 Years

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    Wonder if any of those seedlings will turn out to be hybrids??
     
  16. emery

    emery Renowned Contributor Maple Society 10 Years

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    With what? It is the only member of Section Indivisa Pax. I have never heard of a hybrid. I do have a couple small 'Esveld Select', but it seems more like a mutant than a hybrid.
     
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