October 6, 2021

This is Sesbania vesicaria
Its common name is Bladder Pod

Its a dicotyledon which means

It has two seed leaves

Which isn't particularly odd.

Location: St. Sebastian River Preserve State Park, Fellsmere

Sources: https://www.inaturalist.org/taxa/890511-Sesbania-vesicaria

Photo and text © 2021 Dee Fairbanks Simpson