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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 Floral formula ： ウィキペディア英語版 Floral formula |data2=Floral formula of ''Anagallis arvensis''.〔 Polysymmetric flower. The perianth consists of and , which are fused with androecium. Flower is bisexual, , pistil is fused of five carpels, ovary is superior.}} Floral formula is a means to represent the structure of a flower using numbers, letters and various symbols, presenting substantial information about the flower in a compact form. It can represent particular species, or can be generalized to characterize higher taxa, usually giving ranges of organ numbers. Floral formulae are one of the two ways of describing flower structure developed during the 19th century, the other being floral diagrams.〔 The format of floral formulae differs between authors, yet they tend to convey the same information.〔 == History == Floral formulae were developed at the beginning of the 19th century.〔 The first authors using them were Cassel〔 (1820) and Martius〔 (1828). Grisebach〔 (1854) used them in his textbook to describe characteristics of floral families, stating numbers of different organs separated by commas and highlighting fusion. Sachs〔 (1873) used them together with floral diagrams, he noted their advantage of being composed of "ordinary typeface". Although Eichler widely used floral diagrams in his ''Blüthendiagramme'',〔〔 he used floral formualae sparingly, mainly for families with simple flowers. Sattler's〔 ''Organogenesis of Flowers'' (1973) takes advantage of floral formulae and diagrams to describe the ontogeny of 50 plant species. Newer books containing formulae include ''Plant Systematics'' by Judd ''et al.''〔 (2002) and Simpson〔 (2010). Prenner ''et al.'' devised an extension of the existing model to broaden the descriptive capability of the formula and argued that formulae should be included in formal taxonomic descriptions.〔 Ronse De Craene (2010)〔 partially utilized their way of writing the formulae in his book ''Floral Diagrams''. 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「Floral formula」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.