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relict plant
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relict plant
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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。
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