Last week we talked about the more prominent genera and species of the Polygonaceae, this week about the other group, which has one famous non native weed: the Japanese knotweed!
As we have all heard about this infamous one I would like to explore a little bit about its positive site, if there is any, and if there is anything we can do about its spread.
Japanese knotweed (Reynoutria japonica) is a fast-growing and strong clump-forming perennial, with tall, dense annual stems. Stem growth is renewed each year from the stout, deeply-penetrating rhizomes (creeping underground stems).
It is a very costly affair to have it removed see more here:Continue reading “Polygonaceae; Knotgrasses and Knotweeds: Part two!”