#genus_Dioscorea__Dioscorea  yams
  supertype:  plant_genus__plantgenu  a genus of plants
  member of:  family_Dioscoreaceae
  member:  yam_plant__yamplant__yam  any of a number of tropical vines of the genus Dioscorea many having edible tuberous roots
  member:  tortoise_plant__elephant's-foot__Hottentot_bread_vine__Hottentot's_bread_vine__Dioscorea_elephantipes  South African vine having a massive rootstock covered with deeply fissured bark
  member:  wild_yam__Dioscorea_paniculata  having a rhizome formerly dried and used to treat rheumatism or liver disorders

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