any of various trailing or twining,often weedy plants of the genera Calystegia and Convolvulus,having white,pink,or purple bell-shaped or funnel-shaped flowers

• 旋花一种蔓生或缠绕的打碗花属和旋花属的蔓延植物，开白色、粉色或紫色钟状或漏斗形的花