This plant started growing in my window box (balcony rail) that I didn't plant. Follows the sun all day then the leaves close @ night. Has beautiful yellow flowers about 3/8" - 1/2" that bloom for just one day, fold up at night & drop off the next day. Saw someone had posted a photo of one but before I could get information I had to setup an account & when I finished it I couldn't find it again. Posting photos. Have just noticed long thin seed pods growing from where the flowers were. Had transplanted into a larger planter & is about 4' tall now.
It does look like Sesbania. I'm not sure what species, but with long thin pods it could be Sesbania herbacea.
