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。

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Perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus phaseolus.

热带美洲一种多年生藤本植物，有时由于美丽的总状花序的紫色和黄色而栽培，花冠的龙骨瓣盘卷像一个蜗牛的壳。

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