passion flower 
noun
An evergreen climbing plant of warm regions, which bears distinctive flowers with parts that supposedly resemble instruments of the Crucifixion.
- Genus Passiflora, family Passifloraceae.
- Plants recommended for a south-facing wall include callistemon, the beautiful crimson bottle-brush and the startling passion flower, passiflora caerulea.
- Hops flowers, California poppy, skullcap and catnip can all be used to make relaxing teas, and some herbs used in aromatherapy are especially calming, such as chamomile, rose, lavender, passion flower and lemon balm.
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