What is "potato vine"

1. n. vine of Costa Rica sparsely armed with hooklike spines and having large lilac-blue flowers [syn: giant potato creeper, Solanum wendlandii]

2. copiously branched vine of Brazil having deciduous leaves and white flowers tinged with blue [syn: Solanum jasmoides]

Potato vine may apply to several plant species of the genus Solanum.

• • Solanum crispum, also called Chilean potato vine
  • Solanum laxum, (Solanum jasminoides) also called Jasmine nightshade
  • Solanum wendlandii, also called Giant potato vine or Divorce vine
• some Dioscorea species