Butterfly Pea flowers (Clitoria ternatea) makes a beautiful tea with many health benefits.  For the extensive list of health benefits, visit https://drhealthbenefits.com/herbal/herbal-plant/health-benefits-of-butterfly-pea-leaves

Butterfly Pea is also a great substance to use for pH testing.  Adding lemon juice can turn it into magenta pink.  For more on this,  visit https://thebestscienceproject.com/utilization-butterfly-pea-flower-extract-clitoria-ternatea-multi-functional-economical-acid-base-indicator/