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''Geniostoma'' is a genus of around 25 species of flowering plants in the family Loganiaceae. They are shrubs or small trees, with inflorescences borne in the axils of the simple, petiolate, oppositely-arranged leaves. The flowers are arranged in cymes, and each is pentamerous.〔 The name ''Geniostoma'' derives from the Greek roots ' ("beard") and ('; "mouth"), referring to the hairs in the corolla tube of some species. The genus is widely distributed across the Pacific Ocean from Japan, Malesia to Australia in the west, and east to the Tuamotu Archipelago; one species is also found on the Mascarene Islands.〔 The Hawaiian endemic genus ''Labordia'' has been included in ''Geniostoma'' by some authors.〔 These two genera have been grouped together in the family "Geniostomaceae", but are considered by the Angiosperm Phylogeny Group to be part of a wider Loganiaceae.〔(【引用サイトリンク】author=P. F. Stevens )〕 ==Selected species== * ''Geniostoma astylum'' * ''Geniostoma clavigerum'' * ''Geniostoma confertiflorum'' * ''Geniostoma gagneae'' * ''Geniostoma huttonii'' (Lord Howe Island) * ''Geniostoma ligustrifolium'' – hangehange * ''Geniostoma macrophyllum'' * ''Geniostoma petiolosum'' (Lord Howe Island) * ''Geniostoma quadrangulare'' * ''Geniostoma rapense'' * ''Geniostoma rupestre'' * ''Geniostoma stipulare'' * ''Geniostoma umbellatum'' * ''Geniostoma uninervium'' 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「Geniostoma」の詳細全文を読む スポンサード リンク
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