[2] In some places it is now naturalized in the wild, for example, in parts of Indonesia, Australia, Mexico, and the United States in California, Florida, and Hawaii.

The African senna plant has a strong, distinct scent that has been variously described as being reminiscent of mice, wet dog, peanut butter, and burnt popcorn.

[5] According to Open Tree of Life, it's closest relative is Senna italica which is also native to Africa as well as parts of India.

[6][7] S. martiana S. reticulata S. notabilis S. didymobotrya S. italica S. paradictyon S. magnifolia S. pleurocarpa S. nicaraguensis S. alata S. venusta In Kenya, some cultures, particularly Kalenjins, use the plant to prepare a special type of sour milk (mursik) which is used mainly during festivities.

[8] The leaves of this plant can be squeezed, and the extract mixed with water to create a bath that helps cure skin infections.