Any of numerous plants of the genus Asclepias,having milky juice,usually opposite leaves,variously colored flowers grouped in umbels,and pods that split open to release seeds with downy tufts.

 
  • 马利筋属植物一种马利筋属植物,有乳白色汁液,通常叶对生、花色各异且聚成伞状,果荚绽裂后落出带绒毛的种子
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