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''Echinacea paradoxa'' (Bush's purple coneflower,〔(''Echinacea paradoxa'' ) United States Department of Agriculture plants profile〕 Yellow Coneflower〔(''Echinacea paradoxa'' ) Gardening Help, Missouri Botanical Garden〕〔(''Echinacea paradoxa'' ) NC State University Cooperative Extension〕) is a North American species of flowering plant in the sunflower family. It is native to southern Missouri, Arkansas, and south-central Oklahoma, with one isolated population reported from Montgomery County in eastern Texas.〔(Biota of North America Program 2014 county distribution map )〕 It is listed as threatened in Arkansas.〔〔(Flora of North America, ''Echinacea paradoxa'' (Norton) Britton )〕 ''Echinacea paradoxa'' is a perennial herb up to 90 cm (3 feet) tall. One plant can produce several flower heads, each with white, pink, or yellow ray florets and pink or yellow disc florets.〔〔(Britton, Nathaniel Lord & Brown, Addison 1913. illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian 3: 476 ) description in English plus lline drawing〕〔(Norton, John Bitting Smith 1902. Transactions of the Academy of Science of St. Louis 12(4): 40–41 ) description and commentary in English, as ''Brauneria paradoxa''〕〔(Norton, John Bitting Smith 1902. Transactions of the Academy of Science of St. Louis 12(4): plate VIII (8) ) line drawing of ''Echinacea paradoxa'' as ''Brauneria paradoxa''〕 ;Varieties〔〔 * ''Echinacea paradoxa'' var. ''paradoxa'' - yellow rays - Arkansas and Missouri * ''Echinacea paradoxa''var.''neglecta'' - pink or white rays Oklahoma and Texas ''Echinacea paradoxa'' var. ''paradoxa'' has a baseline chromosome number of x = 11, like most ''Echinacea'' plants.〔Smith, E. B., P. E. Hyatt, and K. Golden. 1992. Documented chromosome numbers 1992: 1. Chromosome numbers of some Arkansas flowering plants. Sida 15:145–146.〕 ==Gallery== Image:Echinacea.paradoxa01.jpg|Illustration Image:Yellow Coneflower Echinacea paradoxa Horizontal 3008px.jpg|Flower Image:Echinacea paradoxa - yellow coneflower - desc-flower from above.jpg|Flower from above Image:Yellow Coneflower Echinacea paradoxa Single Flower Bee 1895px.jpg|Flower and a bee Image:Yellow Coneflower Echinacea paradoxa Closeup Bee 3008px.jpg|Flower closeup with a bee 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Echinacea paradoxa」の詳細全文を読む スポンサード リンク
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