'Uala

Description:

The plant has heart-shaped five lobed leaves, and small pink-lavender flowers similar to the morning glory. The vine is purple or green, the leaves dark green, and the flowers purple/lavender. It is a perennial, and spreads and creeps along the ground, and produces root vegetables. Different varieties produce sweet potatoes in various colors; purple, red, orange, yellow, and white. The skin and flesh are often different colors

Habitat:

It can grow from sea level to 5,000 feet elevation, and will grow in poor soil