Blue morning glory (Ιπομέα η Ινδική)

Ipomoea indica is a species of flowering plant in the family Convolvulaceae, known by several common names, including blue morning glory, ocean blue morning glory and is a vigorous tender perennial vine native to tropical habitats throughout the world. It bears heart-shaped or 3-lobed leaves and rich purple funnel-shaped flowers 6–8 cm in diameter, from spring to autumn.
It was spotted growing in a stream near Agios Nikolaos city, Crete island, Greece.