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Passion Flower
Passiflora caerulea
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An evergreen perennial climber native to South America. Called 'clock plant' in Japanese because the flower resembles a clock face. Widely cultivated as an ornamental in Japan; naturalized in warm areas.
Identification Points
- βPetals and corona filaments radially arranged, resembling a clock face
- βClimbs using tendrils
- βLeaves palmately 3β5-lobed
Habitat
Gardens, fences, and naturalized in warm areas
Season
JuneβOctober (flowers)
Morphological TraitsAI-estimated, needs verification
Growth form
Vine
Evergreen/Deciduous
Evergreen
Leaf dissection
Dissected
Leaf shape
Palmate
Habitat
Cultivated
Leaf arrangement
Alternate
Flower symmetry
Actinomorphic
Ovary position
Superior
Compound type
Palmate
Stamen count
3-4
Phylogenetic Positionγγ±γ€γ½γ¦η§ β
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Malpighiales > Passifloraceae
Divergence Era
Paleogene (about 65β55 million years ago)
Evolution Notes
Passifloraceae belongs to Malpighiales; the complex floral morphology is known as a product of intricate coevolution with Heliconius butterflies.
View on evolution timeline βSources & References
AI-generated, needs verification