rattleweed

plural rattleweeds

1. countableuncountableAny plant of the genus Astragalus. of milkvetches.

   Synonyms: milkvetch, locoweed

2. Certain other plants:
   1. countableuncountableCobwebby wild indigo (Baptisia arachnifera), an endangered legume native to the United States.
   2. countableuncountableFremont’s leather flower (Clematis fremontii), a flowering plant in the buttercup family found in the United States.
   3. countableuncountableRattlepod (Crotalaria retusa), a flowering legume native to tropical Asia, Africa, and Australia.
   4. countableuncountableDesert senna (Senna covesii), a perennial subshrub native to the United States and Mexico.
   5. countableuncountableBlack cohosh (Actaea racemosa)

      Synonyms: rattleroot