Pennsylvania smartweed

Persicaria pensylvanica

Polygonaceae

Slideshow and species account to come.

For more information:

https://gobotany.nativeplanttrust.org/species/persicaria/pensylvanica/?key=dichotomous#dkey

https://www.illinoiswildflowers.info/prairie/plantx/pa_smartweedx.htm

https://www.minnesotawildflowers.info/flower/pennsylvania-smartweed

https://www.fs.fed.us/wildflowers/plant-of-the-week/polygonum_pensylvanicum.shtml