Can anyone tell me what these are growing in my garden?

Question

Never have seen anything like this in the 10 years I have had this garden.

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Answer 1

Since it just popped up in your yard I figured it was native so checked native vines in Rhode Island. I believe you have a common groundnut, Apios americana.

https://web.uri.edu/rinativeplants/

https://plants.usda.gov/core/profile?symbol=APAM#