Definition of rattleweed:
(n) :
Any plant of the genus Astragalus. of milkvetches.
(n) :
Certain other plants:
(n) :
Cobwebby wild indigo (Baptisia arachnifera), an endangered legume native to the United States.
(n) :
Rattlepod (Crotalaria retusa), a flowering legume native to tropical Asia, Africa, and Australia.
(n) :
Desert senna (Senna covesii), a perennial subshrub native to the United States and Mexico.
(n) :
Fremont’s leather flower (Clematis fremontii), a flowering plant in the buttercup family found in the United States.