#comfrey  perennial herbs of Europe and Iran; make rapidly growing groundcover for shaded areas
  supertype:  herbaceous_plant__herb  a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
  member of:  genus_Symphytum
  subtype:  common_comfrey__boneset__Symphytum_officinale  European herb having small white, pink or purple flowers; naturalized as a weed in North America

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