castor oil plant Ricinus communis ~ that’s where you get ricin. some folks raise them as a decorative garden flower
In Southern California and a lot of the South West, they just grow as an obnoxious weed. After any mild, reasonably wet winter, I have to go back down south to pull the damn things out of the yard. A lot of people don’t know what they look like, and the beans can be quite fascinating to young children.