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仙人掌科在植物中是个庞大的家族,至少有两千多种。它的故乡在美洲。其中尤以墨西哥分布的种类最多,素有“仙人掌王
Cactaceae in plants is a huge family, at least two thousand kinds. Its hometown is in the Americas. Especially in Mexico, most species distribution, known as "cactus king