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''Cooperia'' is a genus of tender herbaceous perennials native to South America and the southern reaches of North America. They are closely related to ''Zephyranthes'' and ''Habranthus'', all of which are members of the amaryllis family, Amaryllidaceae. All three genera are commonly known as rain lilies because of their propensity for blooming after rains. ''Cooperia'' blooms in summer and fall. ''Cooperia'' is distinguishable from the more famous rain lily genus, ''Zephyranthes'', by its fragrance similar to primroses, its white or yellow pollen, and its tolerance for droughty and desert conditions (Howard 2001:54). It also tends to be night-blooming (Ogden 1994:11). Cross-generic hybrids have been successfully created with both ''Zephyranthes'' (× ''Cooperanthes'') and ''Habranthus'' (× ''Cooperanthus'') (Ogden 1994:11, Howard 2001:54). ==References== * Fellers, John D. "A Passion for Rainlilies: Cooperia, Habranthus, and Zephyranthes." ''Herbertia'' v51, 1996, pp 78-112. * Howard, Thad M. ''Bulbs for Warm Climates''. Austin, TX: University of Texas Press, 2001, pp 53; 54-56. * Ogden, Scott. ''Garden Bulbs for the South''. Dallas, TX: Taylor Publishing Co., 1994, pp 5-27. 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「Cooperia」の詳細全文を読む スポンサード リンク
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