👉 Nipponorthezia is a type of plant found in Japan, commonly known as the Japanese knotweed. This plant thrives in damp and shady areas due to its ability to grow quickly and form dense mats of leaves that can cover large areas. The roots of the plant are used for digging in soil or to build structures, while the stems produce edible parts such as flowers and leaves. Nipponorthezia is a pest of many agricultural crops, including rice, soybeans,