-Plants (Kingdom Plantae)

-Vascular Plants (Phylum Tracheophyta)

-Flowering Plants (Subphylum Angiospermae)

-Dicots (Class Magnoliopsida)

-Legumes, Milkworts, and Allies (Order Fabales)

-Legumes (Family Fabaceae)

-Subfamily Faboideae

-Tribe Cassieae

-Subtribe Cassiinae

-Sennas (Genus Senna)

-American Sicklepod (Senna obtusifolia)

Senna is a member of the legume family. The flower has five sepals and five usually yellow petals. Herbal use is very common in traditional medicine. The plant is an effective natural laxative, and the leaves can easily be brewed into a tea with proven effects fighting constipation.