The Monday Garden, October 16, 2004, Issue 134
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SHADES OF MAPLE: TREE IDENTIFICATION GUIDE
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Admit it, maple trees are interesting. There’s the family drama of the reds (Issue 85) and the silvers (Issue 115) who do so much for our wildlife; and the sugars (Issue 35) who provide a valuable food as well as breath-taking beauty. Then there are the Norways (Issue 133) and other foreign maples that that threaten our native plants (and your lawn).

picture: sugar maple Hillandale Ave, Stamford CT October 2004
There are about 14 North American native maples-- few enough to know them all personally. The major ones in the Northeast are the sugars (Acer saccharum), reds (Acer rubrum) (also called “swamp maple”), and slivers (Acer saccharinum). In addition to the Norways (Acer platanoides), the common imported maples include the Japanese (Acer palmatum, Acer japonicum, etc.), sycamore (Acer pseudoplatanus) (not the native tree know as “sycamore” – but a type of maple), and amur (Acer ginnala). Maples are prolific and cross-breed so there is always a bit of individual variation between trees, making the identification an interesting challenge but not so hard that it has to be left to experts.
Because the maples have cross-over characteristics, it’s always best to use at least two features to confirm identification. Each maple had at least one characteristic that’s unique to it.