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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Sagittaria platyphylla ： ウィキペディア英語版 Sagittaria platyphylla ''Sagittaria platyphylla'', the delta arrowhead, broad-leaf arrowhead or Delta duck-potato, is a plant species native to the eastern United States. The core of its range extends from central Texas to the Florida Panhandle north to southern Illinois. Isolated populations have been reported from Washington State, Missouri, Kansas, Ohio, Kentucky, Pennsylvania, West Virginia, eastern Virginia, North and South Carolina and eastern Georgia, Nuevo León, Michoacán and Panamá. It has also become a noxious weed in Australia.〔(Australian Weeds Committee, Weed Identification Guide, ''Sagittaria platyphylla'' )〕 The plant is an emergent aquatic found in ponds, lakes and slow-moving streams.〔(Flora of North America v 22. )〕〔(BONAP (Biota of North America Project) floristic synthesis, ''Sagittaria platyphylla'' )〕〔Correa A., M.D., C. Galdames & M. Stapf. 2004. Catálogo de las Plantas Vasculares de Panamá 1–599. Smithsonian Tropical Research Institute, Panama.〕 ''Sagittaria platyphylla'' is a perennial herb up to 150 cm tall, producing underground corms (similar to tubers). The plant reproduces by means of stolons as well as seeds. Some leaves are totally submerged, others emergent (raising above the surface of the water). Submerged leaves have flattened petioles but no true blades. Emergent leaves have ovate to elliptical blades up to 17 cm long. Inflorescence is a raceme with 3-9 whorls of flowers. Flowers are white, up to 2 cm in diameter. 〔〔Smith, Jared Gage. 1894. North American Species of ''Sagittaria'' and ''Lophotocarpus'' 29.〕〔(Engelmann, Georg in Asa Gray. 1867. Manual of Botany of the Northern United States (ed. 5) 494. )〕〔(photo of lectotype of ''Sagittaria platyphylla''at Missouri Botanical Garden )〕〔Haynes, R. R. & L.B. Holm-Nielsen. 1994. The Alismataceae. Flora Neotropica 64: 1–112.〕〔Czerepanov, S. K. 1981. 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「Sagittaria platyphylla」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.