Pentalinon luteum

Pentalinon luteum (L.) B. F. Hans. & Wund.
Engl.: hammock viper's-tail, savannah flower, yellow-flowered nightshade.
Bot. syn.: Echites suberectus Andrews, Echites suberectus Jacq., Urechites lutea (L.) Britt., Urechites suberecta (Jacq.) Muell. Arg.