Persicaria amphibia

Click on the images below to see larger versions.

Scientific Name Persicaria amphibia (Polygonum amphibium) USDA PLANTS Symbol
POAME
Common Name Water Knotweed, Water Smartweed ITIS Taxonomic Serial No.
823854
Family Polygonaceae (Buckwheat) SEINet
Reference
Click Here
Description Life zones and habitat: Foothills and montane life zones; lake edges; amphibious plant may occur in water or on land in wet areas.
Plant: Terrestrial plants with erect to decumbent and densely hairy stems and leaves with sharp-pointed tipped leaf blades; aquatic plants stems hairless, blunt-tipped leaves.
Leaves: Alternate, ovate-lanceolate to elliptic, leathery green stem leaves with tips as above; 3/4 to 6 inches long and 3/8 to 2-3/8 inches wide.
Inflorescence: Terminal racemes 3/8 to 6 inches long of many small flowers with bright pink to red tepals.
References: Descr. adapted from "Flora of Colorado" by Jennifer Ackerfield and US Forest Service article by Walter Fertig.
Colorado Status
Native

© Tom Lebsack 2018