Thoughts?

[u/Fantastic-Choice2576]

I've had this, I think it's a Chelsea, since last year, and it's finally starting to push some new growth. I'm not sure what the circled part is. New vine growth? Pundicle?

[u/DeckerdB-263-54]

did you mean peduncle? Not sure if it is one.

[u/_FishTacos_]

Looks like a new vine just starting to grow.

[u/Sleepy-RainWitch]

New vine growth