Reynoutria japonica, also known as Japanese knotweed, is a large, herbaceous perennial plant that can grow up to 3-4 meters tall. It has a thick, bamboo-like stem and large, heart-shaped leaves.
Plantae
Tracheobionta
Magnoliopsida
Magnoliophyta
Magnoliids
Caryophyllales
Polygonaceae
Reynoutria
Reynoutria japonica