tarweed

• 名词，指产于美洲西部、分泌树脂或具腺毛的多种植物，包括菊科马迪菊属（Madia）植物和格林氏菊属（Grindelia）植物；其叶和茎含树脂，曾用于药用，常对牲畜有毒。

A noun referring to any of various resinous, glandular plants of the genus Madia, native to western North and South America, or any of various western American plants of the genus Grindelia with resinous leaves and stems formerly used medicinally, often poisonous to livestock.

1. Resinous plant of the genus MadiaC2formalamericanscientific

   Any of various resinous, glandular plants belonging to the genus Madia, native to western North and South America.

   马迪菊属树脂植物

   • Tarweed is commonly found in the coastal ranges of California.
   • The sticky resin of Madia species gives tarweed its characteristic name.
   • Botanists study tarweed for its unique glandular properties.

2. Resinous plant of the genus GrindeliaC2formalamericanscientific

   Any of various western American plants of the genus Grindelia, having resinous leaves and stems, formerly used medicinally but often poisonous to livestock.

   胶草属树脂植物

   • Grindelia tarweed was historically used by Native Americans for respiratory ailments.
   • Farmers must be cautious as tarweed can be toxic to grazing animals.
   • The bright yellow flowers of Grindelia tarweed bloom in late summer.

   同义词grindeliagumweedrosinweed