They are small ever green arboreal tree growing small thin and long flat leaves. Cortex is dark brown, and vertically split to be cracked off. Their leaves grow in line on both sides of the branches, about 2 to 5 cm long, very short on surface, and not painful to touch. Their blossom seasons are about March to April, and a dioecious plant (Shiyuuisyu). They grow a male flower at the root of the leaf of the branch that grew the previous year, and a female flower at the top of the leaf. Next autumn, the seeds get matured to turn into red-purple color. In case that a part of the plant’s Japanese name is dog, it usually means it’s of no use. This small arboreal plants are similar to Torreya nucifera, they are inferior to Torreya nucifera. Although Torreya nucifera grow up to be large trees and they are used for construction materials, this plant is not proper for it. The nuts of Torreya nucifera are good taste but the nuts of this tree are so bitter that they are not edible.

●Height　　about 6 to 10 m
●Place Trail 4, Minami-Takao, Kita-Takao