that are . . .
stem and twigs=hairy (like antler velvet) visible from several steps back;  leaf injury exudes milky juice;  no taller than 7 m (23 ft)
staghorn sumac Rhus typhina
or
stem and twigs=not noticeably hairy from several steps back;                    no milky juice from leaf injury;  can be full tree height :

Stem and twigs=not noticeably hairy from several steps back;  no milky juice from leaf injury;  can be full tree height

leaves=small (<18 cm) (<7 in), leaflets=small   (<4 cm)  (<1½ in) or
leaves=large (>20 cm) (>8 in), leaflets=large (4-20 cm) (1½-8 in);  nuts on or under tree
hickory/pecan/walnut family Juglandaceae
:

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plant terminology