As a climbing plant, it grows to a height of , but as a shrub it grows to tall. It is a
vine or semi-climbing shrub with
puberulent stems, sometimes reaching in diameter. Leaves are elliptical-oblong, 5–16cm long and 3–8cm wide, apex
acute or obtuse, base wedge-shaped, entire margin, sometimes sinuous, glabrous or pubescent, rough to the touch;
petiole 0.2–1 cm long. The flowers emerge from bracts.
Racemose inflorescences 8–20 cm long, axillary or terminal, solitary, puberulent
rachis, 5-mere flowers on puberulent
pedicels supported by a
deciduous bract ; calyx tube 0.2–0.7 cm long, glabrous or puberulent,
corolla infundibuliform, 1 cm long, puberulent, blue;
ovary and glabrous style. Drupaceous fruit completely enclosed in the acrid
calyx which acts as wings or floats. ==Distribution and habitat ==