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''Anulocaulis'' is a small genus of flowering plants known generally as ringstems. These five species are sometimes treated as members of genus ''Boerhavia''. Ringstems are thickly-rooted perennial wildflowers with glutinous brown bands at their stem internodes, the trait which gives them their common and Latin names. They bear tubular flowers at the tops of their stems. Ringstems are native to North America. ==Species== *''Anulocaulis annulatus'' - valley ringstem *''Anulocaulis eriosolenus'' - Big Bend ringstem *''Anulocaulis gypsogenus'' - gypsum ringstem *''Anulocaulis leiosolenus'' - southwestern ringstem *''Anulocaulis reflexus'' - Texas ringstem 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「Anulocaulis」の詳細全文を読む スポンサード リンク
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