dahliayoudaoicibaDictYouDict[dahlia 词源字典]
dahlia: [19] The dahlia was named in 1791 in honour of Anders Dahl, an 18th-century Swedish botanist who discovered the plant in Mexico in 1788. The first record of the term in English is from 1804. During the 19th century it was used for a particular shade of red: ‘One of the many ugly shades that are to be worn this season is dahlia’, Pall Mall Gazette 29 September 1892.
[dahlia etymology, dahlia origin, 英语词源]
dahlia (n.)youdaoicibaDictYouDict
1804, named 1791 by Spanish botanist Antonio José Cavanilles for Anders Dahl (1751-1789), Swedish botanist and pupil of Linnaeus, who discovered it in Mexico in 1788. The likelihood that a true blue variety of the flower never could be cultivated was first proposed by French-Swiss botanist Augustin Pyramus de Candolle, and noted in English by 1835; hence blue dahlia, figurative expression for "something impossible or unattainable" (1866).