Genus Persicaria

Group: 

Dicotyledon

Family: 
Genus description: 

Annual or perennial herbs grow in either permanently or seasonally wet sites. Usually erect or have decumbent stems which may root at the nodes. Spikes of many small flowers at or near the end of branches. Flowers usually bisexual, 4-5 perianth segments petal-like, stamens 4-8. Fruit a nut.

Persicaria praetermissa
Common names:
     Spotted Knotweed
Image of Persicaria praetermissa