Persicaria wallichii
Common name
Indian knotweed
Synonyms
Polygonum polystachyum, Persicaria polystachya
Family
Polygonaceae
Flora category
Vascular – Exotic
Structural class
Herbs - Dicotyledons other than Composites
Conservation status
Not applicable
Flowering
November, December, January, February, March, April, May
Flower colours
White
Fruiting
Doesn’t fruit in NZ
Year naturalised
1958
Origin
Temperate Himalayas
Etymology
persicaria: Medieval name referring to the likeness of the leaves to a peach tree
Reason For Introduction
Unknown.
Reproduction
Vegetative by stolons and/or rhizomes.