abstract appearance background blue-crown-passionflower blue-passion-flower caerulea climber close-up colorful coloring colors colourful colouring colours common-passionflower cultivar cut edible evergreen fast-growing flora flower foliage food fruit hardy hardy-passionflower leaves open ornamental ornamental-passionfruit Passiflora passiflora-caerulea passion-fruit passionfruit pith pulp radial seeds skin strange tasty tendrils tropical-twining-vine unusual vigorous vine