Passiflora lutea, commonly known as yellow passionflower,[1] is a flowering perennial vine in the family Passifloraceae, native to the central and eastern United States.

The vine has three-lobed leaves and small, yellowish-green, fringed flowers that appear in the summer, followed by green fruit that turn almost black at maturity.

[3][6] The genus name Passiflora comes from the Italian word "passio", or suffering, based on an association of the flower parts to the crucifixion of Jesus Christ.

It is the northernmost species of Passiflora,[8] occurring slightly further north than P. incarnata,[9] and tolerant of winter temperatures down to −15 °C, and even −30 °C for short periods.

P. lutea grows in bright shade to sunny places with moist, rich soil, such as open woodlands and low alluvial ground.