Dioscorea discolorDioscorea discolor at a glance: Dioscorea discolor is a twining perennial vine grown for large heart shaped leaves marked with silver veining, maroon to black mottling, and vivid purple undersides. Supported stems can climb roughly 24 m, and the foliage often becomes larger as the season progresses, creating a strong layered effect rather than a thin runner. It prefers bright indirect light with only limited direct sun, a rich but free draining