Oneleaf Senna (Senna Uniflora) is a annual herb in the Fabaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is toxic to cats and dogs — keep it out of reach of pets.

Senna uniflora, known as oneleaf senna, is a species of flowering plant in the Fabaceae family native to Mexico, Central America, the Caribbean, and parts of South America.