It is common in the Asteraceae, e.g. dandelion (Taraxacum), whose fruits bear a ring of hairs (the pappus) derived from the calyx.

 
  • 普遍存在于菊科植物中,如蒲公英(Taraxacum),它的果實(shí)含有來(lái)源于花萼的環(huán)狀的毛(冠毛)。
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