Moonflower

Moonflower, flowering climbing plant (Ipomaea bona-nox or Calonyction aculeatum) in the morning glory family. The vine can grow to a height of 10 ft (3 m). It bears large, heart-shaped leaves and large, white, funnel-shaped flowers that bloom at night. The flowers have a delicate fragrance and can grow to be from 3 to 6 in (8 to 15 cm) across.