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May 24, 2012
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Southeastern, New Hampshire
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Fortunately, there are not many trees that have pinnately-compound leaves. In this case,
every leaf had very large, toothed leaflets. The only trees that are pinnately-compound
and with leaflets this big are the hickory (Carya) species. Since there are only five
species of hickory in New England, I thought it would be easy. I narrowed it down to
Shagbark Hickory (Carya ovata) and Pignut Hickory (Carya glabra).
Click on
the two closeup pictures of the leaf teeth below (and then click one more time to expand
again) to see that the leaf margins have clumps of hair near the teeth. This is a sign
that this tree is Shagbark Hickory. The tree is not old enough for the bark to shag into
long plates that are free at the bottom.
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