Passion Flower, Blue Passion Flower, Blue Crown Passion Flower
- Vigorous climber, more of less evergreen in mild climates, grown as a root-hardy perennial is colder climates. Leaves alternate, simple, 10-15 cm wide, palmately 5-lobed, sometimes 3, 7, of 9 lobed, lobes oblong. At the base of each leaf is a twining tendril 5–10 cm long. Flowers solitary, on long stalks, sometimes fragrant, 7-10 cm wide, petals white to white-pink inside, green outside, filaments blue on the outer half, white in the middle, and red a the base, styles purple. Fruit egg-shaped, 6 x 4 cm, yellow or orange.
- Hardy to USDA Zone 7 (considered the hardiest species) Native to Brazil and Argentina, some selections available.
- caerula: dark blue, a reference to the flowers.
- Oregon Garden, Silverton.
- Oregon State Univ. campus: Hort Garden, west of Cordley Hall.