grindelia

1. Any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock.
   任何美国西部胶草属植物，叶子和茎干中的树脂以前作药用；对家畜常有毒害作用。

noun

1. large genus of coarse gummy herbs of western North and Central America

   Synonym:    genus Grindelia