Persicaria hydropiper
marshpepper knotweed, water smartweed, water pepper
Family
Polygonaceae
Leaf Arrangement
alternate
Leaf Attachment
petiolate
Leaf Margin
entire
Leaf Type
simple
Leaf Shape
lanceolate, ovate
Growth Form
forb
Flower Color
green, pink, white
Flower Petals
5
Flower Month
June - December
Height (meters)
0.1 - 1.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
introduced
Lifespan
perennial
Wetland Class
OBL
Field Characters
Peppery taste when eaten. Flower spikes often arched or nodding. Leaves 0.5" wide or more. Inflorescence straight. Bristles on ocre.
Habitat
Wet pastures and barnyards. Damp disturbed areas and marshes.