They are a deciduous small trees or shrubs that grow wild through mountains and fields. They grow like bushy and mostly we can see them auch a humid places as along the mountain strams. Cortex is tinged with gray-brown and small round lenticel show off. The characteristic o the tree is tough and strong, therefore, people used to utilize thie tree as a substitute for sticks and round or lattice-type snowshoes that are made of bamboo. A part of the name ‘Chan’ means ‘bituminous rock’ (Rekisei: substances such as natural tar) and entirely contains oils, so that in ancient times people use this oils extracted from the seeds and cortex for lighting. This is how they are named. The leaves are elliptically-shaped about 4 to 9 cm long, about 2 to 4 cm wide with the sharp topand the leafstalk is tinged with red. The blossom seasons are about March to April and a dioecious plant (Shiyuuisyu). They bear 3 to 5 f small yellow flowers on the branch that extended the previous year. Both a male flower and a female flower have 6 flower petals each, about 2 mm long. The seeds that are in a spherical shape about 1.5 cm in diameter get matured to yellowish brown in September to October.

●Height about 3 to 6 m
●Place Trail 1, Trail 3 to 6, Mt.Inari, Ura-Takao, Minami-Takao