Japanese knotweed
Persicaria capitata
family
Polygonaceae
origin
Exotic
declaration
NIL
NIL
For information only
Common names
Japanese knotweed, Knotweed, Persicaria, Pink-head knotweed, Pinkhead knotweed, Pinkhead smartweed.
It’s a tough mat-forming perennial herb that stays under 15 cm. tall but spreads horizontally to up to 1.5 m. It grows from a stout woody root, stems are prostrate, sometimes rooting at the nodes. It thrives in almost any soil, including dry and sandy soil, and grows in both sun and partial shade
Leaf arrangement:Compound
Leaf form:Alternate
White
Pink
Variegated
Green
Purple
Impact
Impact
It competes with and has the potential to replace indigenous species.
Location
Location
Characteristics
Characteristics
Similar Species
Similar Species
It competes with and has the potential to replace indigenous species.