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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 Turnera hermannioides ： ウィキペディア英語版 Turnera hermannioides ''Turnera hermannioides'' is a distylous, diploid perennial restricted to open, sandy sites in northeastern Brazil. Four populations sampled in Sergipe contained equal proportions of long- and short-styled plants. The style and stamen dimorphism in floral morphs is associated with differences in pollen size and pollen production. In contrast, flower size, ovule number, and seed fertility of the morphs are not significantly different. A controlled pollination program demonstrated that individuals of ''T. hermannioides'' possess a self- and intra-morph incompatibility system. The only pollinations resulting in significant seed production were between the floral morphs. Populations of ''T. hermannioides'' grow intermingled with ''T. ulmifolia'', a widespread polymorphic complex containing forms that resemble ''T. hermannioides''. A crossing program between ''T. hermannioides'' and diploid and tetraploid varieties of ''T. ulmifolia'' revealed barriers to hybridization particularly in crosses at the diploid level. It is concluded that ''T. hermannioides'' is a restricted diploid species that is reproductively isolated from ''T. ulmifolia''.〔(Dimorphic Incompatibility in ''Turnera hermannioides'' Camb. (Turneraceae) at jstor.org )〕 == References == 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「Turnera hermannioides」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.