Millettia Satsuma 
'Sakuku Fuji'

This plant belongs to the wisteria family therefore very similar to it.
Dark, purplish, red, scented flowers. It blooms from July until October.
Intense, pointed, green leaves.
It grows at an average rate and in moderate climates it is an evergreen and the flowering actually lasts until December.
In the north (or in colder climates) it will grow to be more like a bush.
It blooms during the 1st year.

Synonyms: Wisteria taiwanensis, Red Wisteria, Summer Wisteria.

Wisteria by Francesco Vignoli