They are a deciduous tall tree that grows wild along the humid valley in the mountain area and smell sweet. Cortex of their young trees is tinged with reddish brown and smooth, while the one of their adult trees turn into dark gray-brown with the trunk being about 2 m wide. As for old trees, they are split shallow vertically and cortex is finely peeled off. The leaf is round heart-shaped about 3 to 8 cm long with a dull gyrose sawtooth at the edge (sawtooth: Kyoshi, serrated edges like a saw- serrated edges at the tip of a leaf) and with the back in white like being flour-coated. The blossom seasons are about March to May and a dioecious plant (Shiyuuisyu). The flower blossoms with no flower petals or sepals before the leaves sprout. A male flower has lots of male stamen tinged with red-purple about 4 mm long, while a female flower bears 3 to 4 of a female stamen tinged with pale showy pink. The seeds are shaped like a banana rolled backward about 1.5 cm long. They get matured into black-purple color in autumn.

●Height about 20 to 30 m
●Place Trail 1 to 4, Trail 6, Ura-Takao