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1、序言已经公认属于烟属的64个物种(Species),发现于美洲、澳洲及南太平洋的少数岛屿。因为它们含有起陶醉作用的烟碱,约有十个物种被土著居民用于宗教仪式、医药或取乐的目的,例如 N.tabacum 在中美洲与南美洲,N.bigelovii、N.attenuata 和 N.trigonophylla在北美洲西部,N.rustica 在密西西比河以东、墨西哥北部及西印度群岛,以及 N.benthamiana 在澳洲。已论及的多数物种或全部物种的自然分布,在白种人到达美洲之
1, the preamble has been recognized as belonging to 64 Species species of tobacco, found in the Americas, Australia and the South Pacific few islands. About ten species are used by indigenous peoples for religious ceremonies, medicinal purposes, or for fun purposes, for example, N. tabacum in Central and South America, N. bigelovii, N.attenuata and N. because they contain nicotinic nicotine. trigonophylla in North American West, N. rustica east of the Mississippi River, northern Mexico and West Indies, and N.benthamiana in Australia. The natural distribution of most species or all of the species that have already been covered is when the white people reach the Americas