with . . .

3 leaflets, terminal (center) leaflet=medium petiolule, lateral (side) leaflets=no petiolule and asymmetric blade;  low shrub or climbing vine   >   X✋︎ DO NOT TOUCH ✋︎X  poison ivy or

not poison ivy :

(0-) 1-2 (-4) bumps near leaflet base

bark=smooth tan or light gray, lots of lenticels   >   tree of heaven Ailanthus altissima

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plant terminology