3D model of sweet potato
Pachyrhizus erosus (L.) Urb, Leguminosae sweet potato is a thick and tangled herbaceous vine plant with thick roots, flattened spherical shape, and hairy surface; The leaves are feather shaped with veins on top and are dark green in color; The flowers are small and polygonal in shape, with a large number of petals and a light purple or light red corolla; The fruit is relatively large, with purple or light brown skin; Flowering period from April to June; The fruiting period is from July to August. The earliest record of sweet potatoes can be found in the "Flora of Hainan": "Sweet potatoes quench thirst and detoxify alcohol.