Also known as Common Knotweed · Doorweed · Equal-Leaved Knotgrass
Polygonum arenastrum is an annual plant with a prostrate or sprawling habit. A common weed, it thrives in disturbed areas, bearing small flowers and narrow leaves with.
Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Oval Leaf Knotweed (Polygonum arenastrum)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Polygonaceae |
| Genus | Polygonum |
| Species | Polygonum arenastrum |
Similar in genus Polygonum
