资料来源 : WordNet®

golden fern
     n 1: tropical American fern having fronds with light golden
          undersides [syn: {Pityrogramma calomelanos aureoflava}]
     2: stout tropical swamp fern (especially tropical America)
        having large fronds with golden yellow sporangia covering
        the undersides [syn: {leather fern}, {Acrostichum aureum}]