common and widely distributed tall timber pine of western North America having dark green needles in bunches of 2 to 5 and thick bark with dark brown plates when mature 同义词：ponderosa pine, western yellow pine, bull pine, Pinus ponderosa,
例句与用法
1.
Callaham and liddicoet found an elevational cline in ponderosa pine from northern california . 卡拉汉和利狄柯特发现加利福尼亚北部产的黄松有一海拔渐变群。
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