北美乔柏为柏科崖柏属,原产于北美西部,从阿拉斯加到加利福尼亚都有分布,有150余年的人工栽培历史。其叶色亮绿,姿态优美,是北美洲著名的针叶绿化树种。
该树种高达60多米,树冠狭圆锥形,老树具板状根。枝干幼时为肉红色,老干灰棕色到红棕色。枝条多水平生长,分枝能力很强,树形紧凑,适合用作绿篱。鳞叶着生的侧枝呈平展状,中央鳞叶尖头下方有圆形隆起的透明腺点,叶片能散发出清淡的芳香。
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