1) Herb 2) Herbaceous plant 3) Rattlebox 1) Rattlebox 
• (n.) A genus of leguminous plants; rattlebox.
(from the article `Fabales`) ...is poisonous in any of three ways: by promoting selenium accumulation, through locoine, and through several nitrogen-containing toxins. In the ...
Crot`a·la'ri·a noun [ New Latin See Crotalum .] (Botany) A genus of leguminous plants; rattlebox. » Crotalaria juncea furnishes the fiber called sunn or Bombay hemp .
[n] - any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle
rattlebox noun any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops