Camptotheca Decaisne (happytrees or Xi Shu, Nyssaceae) is a .monotypic genus endemic to China. Its single species C. acuminata Decaisne ( 1873) has been the major source of Camptothecins, the promising anti - cancer and potential anti - viral drugs (Li and Adair 1994) .The phenotypic analysis of the genus showed that (1) C. yunnanensis Dode (1908) should be treated as a species separated from C. acuminata (see Li, n. d.) and (2) a new species as the third species of the genus should be established. The present paper describes the new species as C. lowreyana. C. lowreyana has a potential in drug production according to the Camptothecin analysis (Li, unpublished).
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机译：喜树（喜树（喜树或喜树科）是中国特有的单型属。它的单一物种C. acuminata Decaisne（1873）一直是喜树碱的主要来源，是有前景的抗癌药和潜在的抗病毒药物（Li and Adair 1994）。该属的表型分析表明：（1）云南云杉。 Dode（1908）应被视为与C. acuminata（参见Li，nd）分离的物种，（2）应建立新物种作为该属的第三种。本文将新种描述为C. lowreyana。根据喜树碱分析，C。lowreyana在药物生产中具有潜力（Li，未发表）。
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