Passion flower, also known as maypop, is a tropical climbing vine that is naturally distributed throughout Asia, Europe and the southeastern U.S. between Florida and Texas. Passion flower gets the “passion” part of its common name from a perceived resemblance of the corona at the center of the vine’s flower to the Crown of Thorns worn by Jesus. The large colorful blooms of the plant are also valued for their ornamental effect in landscaping. Passion flowers, as well as the plant’s leaves and stems, are also cultivated for use in tea blends.