Cassia aphylla Cassia rigida Cassia aphylla var. trichosepala Cassia aphylla var. virgata Cassia aphylla var. divaricata Cassia aphylla subsp. divaricata Cassia fabrisii Cassia rigida var. inermis Cassia trichosepala Senna aphylla subsp. divaricata Senna rigida var. inermis Senna fabrisii Senna rigida Senna trichosepala Cassia aphylla var. rigida
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024