#gumweed__gum_plant__gumplant__tarweed__rosinweed  any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock
  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_Grindelia
  subtype:  Grindelia_robusta  perennial gumweed of California and Baja California
  subtype:  curlycup_gumweed__Grindelia_squarrosa  perennial gumweed of western and central North America

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