Correct...not bamboo. It is a plant and it has green leaves, and that is about the only connection ;-)

You are more likely to have your ID question answered if you post this in a more relevant forum here, like "Name That Plant!".

It's a Baptisia.

You know, for a free social gardening app try @GrowItMobile, get plant inspiration, garden Q&A, and plant identification.

https://profiles.growitmobile.com/join/231396 

when I moved to the Pacific Northwest I had no idea what was growing in my own yard! Lol from native plants to invasive garden pests, I was able to use the app to figure out what to keep and what should go into the compost. Check it out.

I have never seen a Baptisia that huge.Do you have a species name to go with that I.d. lacey?

Baptisia australis grows 3-6 ft. tall.