another tree ID

Concord, NH

One of my coworkers brought in a leaf (unfortunately no branches) from a tree she had seen in someone's yard up in the White Mountains (solidly zone 4.) The leaf was quite similar to a red maple as far as shape, size, and the irregularly sized teeth around the margins, but was thickly felted on the reverse so that it looked silvery white. It's not a native around here, and I've never seen a leaf from a woody plant that was so densely haired that I could not see the leaf surface. (though the top surface wasn't hairy.) So I'm hoping that it is identifiable from my description, even without a photo or info on size, branching, etc. since there are so many knowledgeable arbophiles on this forum.

Thanks!

Cincinnati, OH(Zone 6b)

Could it be a naturally occuring hybrid between red and silver maples, frequently referred to as Acer x freemanii? This would potentially have tomentose leaf undersides, but perhaps not to the degree you describe.

Scott

Northumberland, United Kingdom(Zone 9a)

Sounds like White Poplar (Populus alba). Densely felted white leaf undersides, with a maple-like shape. Differs from maples in alternate (not opposite) leaves, but you won't have that visible with one leaf. Ask your cow-orker to check the leaf arrangement.

Resin

Concord, NH

Thanks for your help. I think the poplar is the right ID, since I thought it looked like a poplar, though I don't know why I thought that. I'll have to look at a book with pictures to confirm.

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