Description Passionflower Passionflower (Passiflora incarnata) Herb. Passionflower (Passiflora incarnata) has a long history as a traditional Native American remedy. Its name is said to come from the flower’s striking corona, thought to resemble the crown of thorns worn by Jesus during the crucifixion. This gentle, calming herb is valued for its ability to support relaxation, a balanced nervous system, and restful sleep.
