Butterfly flower tea may also reduce light internal inflammation. It is a great post-meal drink, especially after consuming high-fat or spicy foods. You can also enjoy it to boost the immune system, especially during a stressful or busy time. pigeonwings blue pea. Butterfly pea flower tea, commonly known as blue tea, is a caffeine-free herbal tea, or tisane, beverage made from a decoction or infusion of the flower petals or whole flower of the Clitoria ternatea plant. Clitoria ternatea is also known as butterfly pea, blue pea, Aprajita, Cordofan pea, Blue Tea Flowers or Asian pigeonwings. Butterfly pea flower is a plant with antioxidant and anti-inflammatory properties. Learn how it may help with skin and hair health, weight loss, and blood sugar control, and how to make a delicious blue tea with it. Butterfly pea flower tea is a caffeine-free drink that changes color with different ingredients. Learn how this color-changing tea can boost your antioxidants, cognitive function