butterfly plant butterfly plants flower flowers garden green thumb landscaping Passiflora plant plants vine bloom exotic greenhouse passion petals stamens tropical blue passion flower homeopathy maypop passion flower purple passion flower background blue crown passionflower caerulea climber close-up colorful coloring colors colourful colouring colours common passion flower cultivar edible evergreen fly foliage fruit garden flower green greenery hardy hardy passionflower insect leaves orange ornamental ornamental passionfruit passiflora caerulea passion fruit skin tropical twining vine vigorous cultivate cultivated nature purple special spectacular abstract appearance blue-crown-passionflower blue-passion-flower common-passionflower cut fast-growing flora food hardy-passionflower open ornamental-passionfruit passiflora-caerulea passion-fruit passionfruit pith pulp radial seeds strange tasty tendrils tropical-twining-vine unusual