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北アメリカの西部、ブリティッシュコロンビア州からメキシコに分布しています。山地の傾斜面に生え、高さは18〜30メートルになります。樹形は広円錐形です。木材用や公園樹として植栽されています。材は明るいクリーム色で、家具や内装材、ベニアなどに利用されます。モンタナ州の州木ともなっています。
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マツ科マツ属の常緑高木で、学名は Pinus ponderosa。英名は Ponderosa pine、Western yellow pine。
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The Ponderosa pine (Pinus ponderosa) belongs to Pinaceae (the Pine family). It is a tall evergreen tree that is native to the western North America, from British Columbia south to Mexico. This tree grows on mountain slopes, and it can reach 18-30 m in height. The tree crown is broad conical. It is also planted as a timber tree or park tree. The timber is bright cream in color, and used for furnitures, interior materials or plywoods. This tree is a state tree of Montana.
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[上・中1] 京都府宇治市「宇治市植物公園」にて、2004年02月28日撮影。 [中2〜中10] アメリカ・オレゴン州ベンド市にて、2013年06月14日撮影。 [中11〜中13] アメリカ・オレゴン州「デシューツ国有林」にて、2013年06月14日撮影。 [中14〜中17] アメリカ・オレゴン州ユージーン市にて、2013年06月14日撮影。 [中18〜20・下] アメリカ・カリフォルニア州「ヨセミテ国立公園」にて、2008年08月07日撮影。(photo by Jon Suehiro)
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