goji

Wolfberry , commercially called goji berry , is the common name for the fruit of two very closely related species: Lycium barbarum ( Chinese : 寧夏枸杞 ; pinyin : Níngxià gǒuqǐ ) and L. chinense ( Chinese : 枸杞 ; pinyin : gǒuqǐ ), two species of boxthorn in the family Solanaceae (which also includes the potato , tomato , eggplant , deadly nightshade , chili pepper , and tobacco ). It is native to southeastern Europe and Asia.