In the Maruyama Park
After hunting for the flower-but (edible), the leftout are growing in the forest or in the mountain sides.
Japanese name: fuki
English name: Japanese butterbur
botanical: petasistes japonicus
The plants commonly referred to as Butterbur are found in the daisy family Asteraceae in the genus Petasites. They are mostly quite robust plants with thick, creeping underground rhizomes and large Rhubarb-like leaves during the growing season. Another common name for many species of this genus is Sweet Coltsfoot.