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''Frasera'' (green gentian) is a genus in the gentian family, native to North America and named for John Fraser, a Scottish botanist and colleague of Thomas Walter.〔The Frasera (Walter, 1795) were named for John Fraser. (Linn. 4-Tetrandria, i-Moniogynia, allied to Chironia.) ''See'', Card, H.H., (A revision of Genus Frasera ), ''Annals of the Missouri Botanical Garden'', April 1931, 18(2):245-282 at 245. Accessed 2 August 2012. ''And ref'' Johnson, George William, Johnson's Gardeners' dictionary and cultural instructor, London, A. T. De La Mare printing and publishing co., Ltd., 1916, p. 361. . Accessed 2 August 2012.〕 Historically, ''Frasera'' has sometimes been considered part of ''Swertia'', but molecular analysis of a number of ''Frasera'' species has shown them to form a monophyletic clade separate from the rest of ''Swertia''.〔 ==List of species== *''Frasera albicaulis'' *''Frasera albomarginata'' *''Frasera caroliniensis'' *''Frasera coloradensis'' *''Frasera fastigiata'' *''Frasera gypsicola'' *''Frasera montana'' *''Frasera neglecta'' *''Frasera paniculata'' *''Frasera parryi'' *''Frasera puberulenta'' *''Frasera speciosa'' *''Frasera tubulosa'' *''Frasera umpquaensis'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Frasera」の詳細全文を読む スポンサード リンク
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