It is a tropical or subtropical plant, needing high temperatures, high humidity and up to 1500 mm of annual rain.

这是热带和亚热带植物，需要高温，高湿，和年降雨量1500毫米以上的环境。

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Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.

许多超富集植物被发现于热带地区和亚热带地区，在那里，高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。

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Nanling subtropical forest forest types, the origin of ancient, save a lot of ancient relict plant.

森林类型南岭亚热带阔叶林，起源古老，保存不少古代残遗植物。

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Some two-thirds of magnolias are found in Asia but the subtropical plant also thrives in the parts of the U.S. and South America, BGCI Secretary General Sara Oldfield told CNN.

CNN: Half of magnolias face extinction