A marsh plant(Calla palustris) of the North Temperate zone, having small, densely clustered, greenish flowers partly enclosed in a spreading white spathe.

 
  • 水芋生于北温带的一种沼泽植物(水芋水芋属),长有小的、紧簇的、部分包在伸展的白色花苞内的浅绿色花朵
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