曼陀罗系茄科植物,一年生草本,有栽培亦有野生。长约2—5尺,根大,茎扁圆直立有一条至多条的深纵沟纹,叶卵形,上端尖锐,叶呈不同的浅棱及尖锐齿牙,带有极微茸毛,叶体暗绿色,背面淡绿色,茎及叶柄略带紫。夏秋间在白天午后开淡紫色花,合瓣花冠,5浅裂,漏斗状。萼筒状果实卵形,表面多刺状突起,熟则4片开裂,种籽黑色,名番曼陀罗花(Datura tatula L.)。夏秋间、早晨开白色大形漏斗状花,花筒部较长,萼5尖裂,筒状。5 Datura is a solanaceous plant, annual herb, cultivated and wild. It is about 2-5 feet long, has a large root, and its stem is oblate and upright with one or more deep vertical grooves. The leaves are ovate and the upper end is sharp. The leaves are different in shallow ribs and sharp teeth, with tiny hairs, and leaves. Dark green, light green on the back, stems and petioles slightly purple. In summer and autumn, lilac flowers are opened in the afternoon during the day, and the corolla is closed, with 5 shallow lobes and funnels. The tuber-shaped fruit is ovate and its surface is prickly, and it is cracked when cooked. The seeds are black, and the name is Datura tatula L.. In summer and autumn, white large funnel-shaped flowers are opened in the morning, and the floral tube is longer, and the cusp 5 is cracked and tube-shaped. 5