in taxon eggplant plant thorn-apple plant PLANTS:SOIN5 Solanum incanum is a species of nightshade that is native to Sub-Saharan Africa and the Middle East, eastwards to India. Common names include thorn apple, bitter apple, bitterball and bitter tomato. In ancient India, *Solanum incanum* was domesticated into the eggplant, *Solanum melongena* [https://en.wikipedia.org/wiki/Solanum_incanum] bitter-apple solanum incanum Solanum incanum requires discussion