About Senna uniflora (Mill.) H.S.Irwin & Barneby
Senna uniflora, commonly known as oneleaf senna, is a species of flowering plant belonging to the family Fabaceae. It is native to Mexico, Central America, the Caribbean, Colombia, Venezuela, and most of Brazil. It has been introduced to India, Mauritius, and Réunion. While it is somewhat weedy and invasive itself, it is utilized to outcompete the harmful pernicious weed Parthenium hysterophorus.