Cassia fasciculata, commonly known as the curlyleaf cassia or the citrus cassia, is a plant species belonging to the legume family. The plant's scientific name "Cassia Fasciculata" can be replaced by other synonyms like the Chamaecrista fasciculata, Senna fasciculata, and Cassia berlandieri var. Fasciculata. This native Texas plant produces showy yellow flowers that bloom in the spring and summer months and is a host plant for multiple species of butterflies. Its leaves are a good source of food for livestock, making it an economically important plant. It is also known for its medicinal properties and is used in traditional medicine for various ailments.