any of several tropical American evergreen shrubs of the genus Allamanda,widely cultivated in warm regions for their showy yellow or purple trumpet-shaped flowers

• 黄蝉花一种美洲热带黄蝉花属常绿灌木，因其艳丽动人的黄色或紫色喇叭型花朵而在温暖地区得到广泛的种植