rosinweed

• 一种北美洲多年生植物，具有树脂气味和黄色花朵；也指美国西部几种格林德利亚属（Grindelia）植物，其叶和茎含树脂，曾用于药用，对牲畜常有毒性。

A noun referring to a North American perennial plant with a resinous odor and yellow flowers, or any of various western American plants of the genus Grindelia with resinous leaves and stems formerly used medicinally, often poisonous to livestock.

1. North American perennial plantC1formalamericanscientific

   A perennial plant native to North America, characterized by a resinous odor and yellow flowers.

   松香草

   • The rosinweed bloomed brightly in the prairie field.
   • Hikers often notice the distinct resinous smell of rosinweed in the summer.
   • Rosinweed is a common sight in the tallgrass prairies of the Midwest.

   同义词gum plantgumweed

2. Western American plant (Grindelia)C1formalamericanscientific

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

   胶草 (格林德利亚属)

   • Ranchers must be cautious of rosinweed in pastures as it can be toxic to cattle.
   • Native Americans historically used rosinweed for its medicinal properties.
   • The sticky resin on rosinweed leaves gives the plant its characteristic texture.

   同义词grindeliagumweed