How to ID a Norway maple

jacquierz5bmiApril 24, 2012

We have several maple trees in our yard. We built this house and planted the trees over 30 years ago. One I know is a Norway as I seem to remember it being called a Crimson King at the time. It has those maroon/black leaves that I am no longer fond of but the other two I am not sure about. I thought they were a Silver maple and a sugar maple, but one is so dense that we have trouble growing grass under it and it drops thousands of seedlings every year into my beds which I have to pull out. How can I tell the difference between these two and a Norway maple? Thank you very much.


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I believe norway maple leaves have a white exudate that either weeps from the petiole or branch when the leaf is removed.


    Bookmark   April 24, 2012 at 7:28PM
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Theey have a green leaf bud, they produce there seed in the fall. Red and sugar produce in the spring. They have yellow fall.

    Bookmark   April 24, 2012 at 8:59PM
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Oh the silver maple also proudces in spring

    Bookmark   April 24, 2012 at 9:01PM
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Thanks so much for the replies. I think I may just have the one Norway maple. I will go out in the morning and check to see if the leaves or branches exude something white when a leaf is pulled off. Thanks again.

    Bookmark   April 24, 2012 at 9:40PM
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mainegrower(Z5b ME)

John is right about the white exudate being unique to Norway maples, but you usually have to wait until early summer for it to be apparent - too early now.

Another easy identification: The wings on the fruits(samaras)of Norway maples diverge from each other at a very wide angle. In other maples the angle is much more acute.

The bark is also distinctive on mature Norway maples: very dark gray broken into interlacing vertical furrows.

    Bookmark   April 25, 2012 at 5:23AM
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ken_adrian Adrian MI cold Z5

the easiest and SUREST way ... is to follow the link

and provide 3 pix..

and the whole ...

none of this looking for weeping pus.. lol ...


Here is a link that might be useful: how to post pix

    Bookmark   April 25, 2012 at 7:54AM
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