Clitoria is a genus of flowering plants that are insect pollinated. These plants are native to tropical and temperate areas of the Old and New World including southeast Asia, where the flowers are often used as a food dye.
In animal tests the methanolic extract of Clitoria ternatea (Butterfly pea) roots demonstrated nootropic, anxiolytic, antidepressant, anticonvulsant and antistress activity. The active constituent(s) include Tannins, resins, Starch, Taraxerol & Taraxerone. Clitoria ternatea root extracts are capable of curing whooping cough if taken orally. The extract from the white-flowered plant can cure goiter. Its roots are used in the ayurveda system of Indian medicine.