An evergreen tall tree of the pine family, it grows in mountainous areas from central north to west of Honshu. The needles grow densely on the branches, and the young branches are reddish brown with blunt tips. It can reach a height of 30 m. The bark is reddish brown and peels off in small scales. The flowers are dioecious and have no perianth. The cones turn yellowish green when ripe. The seed scales are obovate-lanceolate. The wood is used in many ways as a substitute for cypress, especially for pulp. This species is considered to be a variety of P. jezoensis , but is sometimes treated as the same species. The two are distinguished by their place of origin, the branches of P. jezoensis are not reddish, and the seed scales are obovate. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
マツ科の常緑高木で,本州中北部より西の山地に生える。針葉が枝に密につき,若枝は赤褐色で葉の先はとがらない。樹高は 30mに達する。樹皮は赤褐色で小型の鱗状になってはげる。雌雄異花で花被はない。球果は熟すると黄緑色になる。種鱗は倒卵状披針形。材はヒノキの代用として多方面に利用され,特にパルプ材として用いられる。本種はエゾマツ P. jezoensisの変種とされているが,ときには同一種として扱われることもある。両者の区別点は産地の違い,エゾマツは枝が赤みを帯びず,種鱗が倒卵形であるなどである。
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