A remarkable Morning Glory native to arid regions of Argentina. Like other caudiciform species, it has swollen stems containing water-storage tissue, and can survive extended periods of drought. Give it a well-drained soil, keep it moist and keep it out of the full sun. The caudex will grow to more than 2 ft, the vines reach for more than 12 ft. The bell-shaped flowers are pink. The plant is very showy; it can be kept in a pot as a bonsai and is easy to control as a container specimen, just needs a little trellis, otr can be pruned. Fast growing.