rosinweed

1. Trend of nutrient components and rumen degradability of cluster leaf rosinweed at different growth stages
   串叶松香草不同生育期营养成分及其绵羊瘤胃降解动态研究

noun

1. any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally

   Synonym:    gumweedgum planttarweed

2. North American perennial having a resinous odor and yellow flowers

   Synonym:    Silphium laciniatum