Either of two deciduous trees(Carya glabra or C. ovalis) of the eastern United States,having pinnately compound leaves,male flowers grouped in catkins,and nuts with somewhat bitter kernels.

 
  • 光滑山核桃樹(shù)美國東部的兩種落葉樹(shù)的一種(山核桃屬光滑山核桃或山核桃屬甜山核桃),長(cháng)有羽狀的復葉、以柔葦花序聚集的雄花和核略有苦味的果實(shí)。
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