Its most striking feature is the color of its flowers, a vivid deep blue; solitary, with light yellow markings.
[7] The blue colour of C. ternatea is a result of various anthocyanins, most importantly ternatins – polyacylated derivatives of delphinidin 3,3', 5'-triglucoside (Da-T).
The first reference to the genus, which includes an illustration of the plant, was made in 1678 by Jakób Breyne, a Polish naturalist, who described it as Flos clitoridis ternatensibus, meaning 'Ternatean flower of the clitoris'.
[17] In Kelantan, in the north-east of peninsular Malaysia, it is an important ingredient in nasi kerabu, giving it its characteristic bluish colour.
[19] In Thailand and Vietnam, this butterfly blue pea flower tea is commonly mixed with honey and lemon to increase acidity and turn the beverage a pink-purple color, to produce for a drink usually served after dinner, or as a refreshment at hotels and spas.
Blue in the bottle, it turns pink when mixed with a carbonated mixer such as tonic water due to the change in pH.
[24] In traditional ayurvedic medicine, it is ascribed with various qualities including memory enhancing, nootropic, antistress, anxiolytic, antidepressant, anticonvulsant, tranquilizing, and sedative properties.
[26] Its extracts possess a wide range of pharmacological activities including antimicrobial, antipyretic, anti-inflammatory, analgesic, diuretic, local anesthetic, antidiabetic, insecticidal, blood platelet aggregation-inhibiting and for use as a vascular smooth muscle relaxing properties.