#genus_Cynancum  genus of perennial tropical African lianas
  supertype:  dicot_genus__dicotgenu__magnoliopsidgenu  genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
  member of:  family_Asclepiadaceae
  member:  cynancum  any of various mostly giant tropical lianas of Africa and Madagascar having greenish or purple flowers and long smooth pods; roots formerly used as an emetic

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