Genus Gastrolobium is a plant belonging to the family Fabaceae and is commonly known as the 'poison pea.' Some of the synonymous names for this plant include Brachysema subterraneum, Dielsia subterranea, Oxylobium hirsutum, and Gastrolobium grandiflorum. The plants in this genus are mostly found in the southern parts of Australia and are known to contain toxic compounds that can be fatal to livestock and humans. Despite being poisonous, some of the species of Gastrolobium are also cultivated for their decorative flowers. The toxic properties of Gastrolobium have also been studied for their potential use in medicine to treat cancer and other diseases.