英语词汇dahlia的起源、历史背景-英语词源词典

dahlia. Over 14,000 named varieties of dahlias have been cultivated and crossed from the single plant that the German naturalist, Baron Alexander von Humboldt, discovered in Mexico in 1789. Sent to Spain in that year, the specimen was named there by the head of Madrid’s Botanic Garden, Profes- sor Cavanilles. But Cavanilles named the plant for a fellow professor, ignoring Humboldt. Thus the entire Dahlia genus honors the Swedish botanist and pupil of Linnaeus, Anders Dahl (1751–89), who had died at about the time the flower was discovered. The first single-flowered dahlia bore little resem- blance to the giant, colorful, double-flowered species so impor- tant in gardens today. There was, incidentally, a time in the 19th century when dahlia roots were touted as an excellent substitute for potatoes. They were easy to grow and unsuscepti- ble to blight, said their advocates, but unfortunately no one seemed to like the way they tasted.

词汇	dahlia
词源	dahlia. Over 14,000 named varieties of dahlias have been cultivated and crossed from the single plant that the German naturalist, Baron Alexander von Humboldt, discovered in Mexico in 1789. Sent to Spain in that year, the specimen was named there by the head of Madrid’s Botanic Garden, Profes- sor Cavanilles. But Cavanilles named the plant for a fellow professor, ignoring Humboldt. Thus the entire Dahlia genus honors the Swedish botanist and pupil of Linnaeus, Anders Dahl (1751–89), who had died at about the time the flower was discovered. The first single-flowered dahlia bore little resem- blance to the giant, colorful, double-flowered species so impor- tant in gardens today. There was, incidentally, a time in the 19th century when dahlia roots were touted as an excellent substitute for potatoes. They were easy to grow and unsuscepti- ble to blight, said their advocates, but unfortunately no one seemed to like the way they tasted.
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