Japanese Knotweed - Fallopia japonica

One of the most invasive plants in the world. It's prohibited in Connecticut.

Habitat: Growing along the edge of a meadow that borders a deciduous forest.

The Japanese Knotweed

''Reynoutria japonica'', synonyms ''Fallopia japonica'' and ''Polygonum cuspidatum'', is a large species of herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. It is commonly known as Asian knotweed or Japanese knotweed. It is native to East Asia in Japan, China and Korea. In North America and Europe, the species has successfully established itself in numerous habitats and is classified as an invasive species in several countries.

Japanese knotweed has hollow.. more

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Similar species: Pinks, Cactuses, And Allies

Species identified by Christine Young