… [Mitsuru Hotta]... From [Rudbeckia]...The representative perennial species are R. laciniata L. (English name: golden glow), which can sometimes go wild, and its double-flowered horticultural variety, Hortensis cv., which is often seen. The annual species are R. hirta L. (= R. serotina Nutt.) (English name: black-eyed Susan, yellow daisy), which has coarse hairs on the stems and leaves, and the large-flowered tetraploid Gloriosa daisy cv. Gloriosa Daisy, which has been improved from this, and is widely cultivated. The latter has large flower heads up to 15 cm in diameter that are yellow, yellow with chestnut snake eyes, chestnut red, and double-flowered varieties. The flower heads of the R. laciniata genus and related plants are cone-shaped, reminiscent of ears of corn, so they are also called cone flowers. ... *Some of the terminology that mentions "black-eyed Susan" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…【堀田 満】。。… 【ルドベキア】より…多年生種の代表は野生化することもあるオオハンゴンソウR.laciniata L.(英名golden glow)やそれの園芸品種である八重咲きのハナガサギク(別名ヤエザキオオハンゴンソウ)cv.Hortensisが多く見られる。一年生種には,茎葉に粗毛のあるアラゲハンゴンソウR.hirta L.(=R.serotina Nutt.)(英名black‐eyed Susan,yellow daisy)と,これから改良された四倍体大輪のグロリオサ・デージーcv.Gloriosa Daisyが多く栽培され,後者には直径15cmにもなる大きな頭花が黄色,黄色に栗色の蛇(じや)の目入り,栗赤色などになるもののほか,八重咲品種もある。オオハンゴンソウ属と,それに近縁な植物は頭花の花盤がもりあがり円錐状になり,トウモロコシの穂を思わせるので,英名をcone flowerともいう。… ※「black-eyed Susan」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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