1·A tropical American vine (Ipomoea batatas) having rose-violet or pale pink, funnel-shaped flowers, and cultivated for its fleshy, tuberous orange-colored root.
热带美洲藤本植物(甘薯)，具有玫瑰紫或淡粉红色漏斗状花朵，因多肉的桔黄色块根而多有栽培。