Native to tropical America, and widespread in the United States due to its use as an ornamental vine.
An annual vine, reproducing only from seed. Its rapid growth and smothering habit make it a problem in cultivated crops and orchards.
The roots are shallow and fibrous.
Similar to Ivyleaf morningglory, but with leaves that are always heart shaped and never lobed. Leaves are several inches across and dark green.
Flowers are in groups of 1 to 3 flowers, on stalks arising from the leaf axils. Flowers are bluish to purple, the petals fused to form a funnel about 2 to 3 inches across.
Characteristicts Important to Control:
An annual with a shallow root system, permitting physical removal of individual plants.