Edna C - Edna

Japanese: エドナ C - えどなしー
Edna C - Edna

In 1791, the plant was named dahlia in honor of the botanist Anders Dahl (1751-89). Since then, over the course of two centuries, the original species, which had only a few petals on a thin stem, has evolved into today's representative horticultural varieties, such as Edna C, which has over 400 petals, and Emory Paul, which has a huge flower with a diameter of 40 cm on a walking stick-like flower stem. Most wild species of the genus Dahlia are autotetraploids with 2 n = 32 chromosomes, but due to crossbreeding of different lineages and an increase in the number of chromosomes, today's horticultural varieties are allooctoploids with 2 n = 64 chromosomes, which is the reason for the innumerable horticultural varieties with a wide variety of flower shapes, colors, and sizes today.

*Some of the terminology that mentions "Edna C." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…91年,植物学者ダールAnders Dahl(1751‐89)の業績をたたえて,この植物はダリアと命名された。以来,2世紀にわたって改良育種がくり返された結果,細い茎で数枚の花弁からなる貧弱な小花にすぎなかった原種が今日の代表的園芸品種,エドナCでは400枚をこす花弁を,エモリー・ポールではステッキのような花茎に径40cmもの巨大花を咲かせるまでの進化発達をとげた。ダリア属の野生種の多くは,染色体数2n=32の同質四倍体であるが,異なった系統の交雑と染色体数の増加により,現在の園芸品種は2n=64の異質八倍体となっていて,このことが今日の多種多様な花型,色彩,大きさをもつ無数の園芸品種をうみ出す原因となっている。…

※「エドナ C」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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