Fireweed

 

I don't remember noticing this plant before,

 but there was a lot of it along the bike path.

 It is fireweed, and is happily growing even though there has not been a fire.

 Looking at the curly cross shape of the stigma makes me realize it is related to the hairy willow herb.

 Those tubular things are the seed pods, and they burst sort of like a banana!