[2] It is a woody, evergreen perennial vine that reaches a height of 6 to 15 metres (20 to 50 feet), where it features bifoliate, hairless green leaves with tendrils.

[2] It's tubular flowers are lavender to lilac blue which are borne from spring to summer.

They feature a white to yellow throat with conspicuous floral violet veins.

The fruit is a brown capsule that produces winged seeds.

[2] It is a heat-loving, frost tolerant plant that is grown as a ornamental plant on trellises, arbors, pergolas, wall covers or as a sprawling groundcover.