… The genus Crataegus (English name: hawthorn. The English name of the fruit is thorn apple) is widely distributed in the temperate zone of the Northern Hemisphere, and many species (some people count more than 900 species) have been differentiated, especially in North America. Researchers who subdivide the species of this genus say that there are more than 1000 species, but the actual number of species is probably around 150 to 200. … From [Datura stramonium]…It was imported into Japan during the Edo Period and cultivated for medicinal purposes, but is rarely seen today. Recently, a similar species native to tropical America, D. stramonium L. (English names: thorn apple, Jimson weed, stramonium), has been widely cultivated and has also become naturalized in wastelands. Both species have stems about 1m tall, alternate or pseudoopposite leaves, 8-15cm long, and single flowers in the leaf axils, with funnel-shaped corollas and long tubes. … *Some of the terminology that mentions "thorn apple" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… サンザシ属Crataegus(英名hawthorn。この実の英名をthorn appleという)は北半球の温帯に広く分布し,とくに北アメリカで多くの種(人によっては900種以上を数える)が分化している。この属の種を細分する研究者は1000種以上の種があるというが,実際にある種数は150~200種ほどであろう。… 【チョウセンアサガオ】より…江戸時代に輸入され薬用のために栽培されたが,現在はほとんど見られない。最近では熱帯アメリカ原産の近似種ヨウシュチョウセンアサガオD.stramonium L.(英名thorn apple,Jimson weed,stramonium)が広く栽培され,また荒地に野生化している。両者とも茎は高さ約1m,葉は互生または偽対生し,長さ8~15cm,花は葉腋(ようえき)に単生し,花冠は漏斗状で長い筒部がある。… ※「thorn apple」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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