资料来源 : WordNet®

potato fern
     n 1: large Australasian evergreen fern with an edible rhizome
          sometimes used as a vegetable by indigenous people [syn:
           {Marattia salicina}]
     2: small epiphytic fern of South America with tuberous
        swellings along rhizomes [syn: {Solanopteris bifrons}]