Passiflora caerulea

Aliasengl. passion flower, dt. blaue Passionsblume, esp. pasionaria, flor de la pasión рус. кавалерская звезда, 中文 蓝花西番莲, 日本 時計草 ‘clock plant’
Odditiesornamental, wall-climber, national flower of Paraguay
Propagationfrom seeds or by cuttings
UrheimatSouth America
HabitatAndalucía, Spain

The passion flower has twelve petals and is therefore called 時計草 ‘clock plant’ in Japanese.