Plant ID forum: Norway Maple (Acer platanoides)

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Name: Lauri
North Central Washington (Zone 5b)
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lauribob
May 10, 2015 11:28 AM CST
I could use help to identify this maple tree that was given to me by a friend several years ago. It has been fenced against deer and the horses on the other side of the fence since we planted it, and I don't know if that has caused the columnar shape or if that's it's normal growth type. It has shades of red at all stages of growth, and so I'm leaning towards Red Maple. The leaves are not particularly shiny, however, except when newly emergent. Here are some photos and any help would be greatly appreciated as there are so many maples!

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New spring growth

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Whole tree view

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Spent blossoms?

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Fall color
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Name: Lin
Florida (Zone 9b)
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plantladylin
May 10, 2015 11:43 AM CST
I know nothing about Maple's ... just that I love them! Smiling This one grows in Washington state:

Bigleaf maple (Acer macrophyllum)
http://en.wikipedia.org/wiki/Acer_macrophyllum
http://www.nwplants.com/business/catalog/ace_mac.html
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Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
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KentPfeiffer
May 10, 2015 12:36 PM CST

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Looks like a Norway maple, but I can't say for certain. One test you can do is pull off a leaf and look at the sap that emerges from the stem. Norway maples have milky sap. Native maples have clear sap.
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
May 10, 2015 6:02 PM CST
Hopefully it is a Norway maple, it does look like one, because they're less likely to poison horses according to this Cornell research article "We now expect not only red maple, but also sugar maple and silver maple leaves to poison horses. Similar analysis of Norway maple leaves indicates that poisoning due to the ingestion of leaves from this ornamental tree is much less likely."

http://www.ansci.cornell.edu/plants/maple.html

I don't know if this is the latest info as I haven't kept up with it since we no longer have horses.


Name: Lauri
North Central Washington (Zone 5b)
Enjoys or suffers hot summers Enjoys or suffers cold winters Greenhouse Foliage Fan Vegetable Grower Organic Gardener
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lauribob
May 12, 2015 7:41 PM CST
I finally got out to the pasture and pulled a leaf off - milky sap. So I guess it must be a Norway Maple. Thanks for that tip Kent!
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Name: Lauri
North Central Washington (Zone 5b)
Enjoys or suffers hot summers Enjoys or suffers cold winters Greenhouse Foliage Fan Vegetable Grower Organic Gardener
Seed Starter Dog Lover Cat Lover Birds Lover of wildlife (Black bear badge) Plant Identifier
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lauribob
May 12, 2015 7:48 PM CST
Sue - Thanks for the heads up about the problem with horses. It's a neighbor's field and he mostly grows alfalfa in it and just puts them in there from time to time, but I think I'll beef up my fence on his side a bit to make sure nothing bad happens. His mules snapped a branch off last summer and I was planning to do something anyway. I had never heard of maples causing problems like that - you learn something new every day!
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