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sec. fna.org 1993
common name: pignut hickory
Steven J. Baskauf
Wildcat Bluff, Cache River State Natural Area, Johnson County, Illinois, US
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whole tree (or vine) - view up trunk
bark - of a large tree
twig - orientation of petioles
leaf - margin of upper + lower surface
fruit - lateral or general close-up
fna.org 1993 =
Flora of North America Editorial Committee, eds., 1993. Flora of North America North of Mexico. Flora of North America Association, New York, NY, US and Oxford, UK.
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