please help ID
?pea-like flowers?
mainland south eastern NY. part shade.
surrounded by happily flourishing poison ivy, virginia creeper and garlic mustard.

(out of focus) flower:

{{gwi:218754}}

more of the plant:

{{gwi:218755}}

assorted distinguishing characteristics:

{{gwi:218756}}

{{gwi:218757}}

top of leaf:

{{gwi:218758}}

leaf underneath (slightly "hairy"):

{{gwi:218759}}

near by, ? smaller one:

{{gwi:218760}}

{{gwi:218762}}

entire:

{{gwi:218763}}

thank you