A vigorous, annual vine native to India with pretty purple, pinkish or white flowers.
Extracts of the plant and seeds are used as an aphrodisiac, an antidepressant, against snakebite and against Parkinson disease. Germination: Scarify seed and soak for 24-48 hours in lukewarm water. Sow 1-2cm into sowing mix + sand or perlite. Keep bright and constantly moist but not wet. Germination takes 2-4 weeks.