本书介绍了50种影响人类历史的植物，包括养活全人类种族的稻米与小麦、因医疗价值受到高度重视的香料与药用植物，以及如罂粟、高地棉花等挟持历史急转前往不同道路的作物，这些植物带给人类文明重大冲击影响，和人类的经济、政治、产业的历史密不可分。
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