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孑遗植物
释义
孑遗植物
Encyclopedia
工学
风景园林植物种质资源
释
relict plant
孑遗植物
起源久远,在新生代第三纪(距今6500万~260万年以前)或更早有广泛的分布,由于地质演化或气候剧变而大部分已经灭绝,现仅残存在局部地区的古老植物。
农学
野生植物
释
residual plant
孑遗植物
过去曾有广阔的分布区,由于地质和气候原因,其近缘类群多已灭绝,现在分布范围已大大缩小,只剩个别孤立的或者是星散分布在几个狭窄分布区的植物。又称活化石植物。其分布区称为孑遗分布区。
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更新时间:2026/8/28 2:41:45