Butterfly pea, Asian pigeonwings. Perfect vine! Blooms year-round, fast growing, easy, not invasive, controllable, not messy, curious bright blue flower - Clitoris-like flower shape, hence name of the plant. Fast-growing climber with fine foliage, pinnate leaves.
Besides being a great ornamental, this plant has some practical and medicinal value. The seed pods are edible, as well as the flowers. The flowers are used for blue food dye for rice and teas. It is also a nitrogen fixer and helps prevent E-coli.
See article about healing properties of this plant:
Blue Tea from the Magic Clitoria.