sy·co·ni·um /saɪˈkoniəm/
  隱頭花序
  Sy·co·ni·um Sy·co·nus n.  Bot. A collective fleshy fruit, in which the ovaries are hidden within a hollow receptacle, as in the fig.
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  syconium
       n : the fleshy multiple fruit of the fig consisting of an
           enlarged hollow receptacle containing numerous fruitlets
       [also: syconia (pl)]