corymb

flat-topped or convex inflorescence in which the individual flower stalks grow upward from various points on the main stem to approximately the same height; outer flowers open first

主茎の様々な点から個々の小花柄が上方に伸びてほぼ同じ高さになる、上面が平らまたは凸状の花序；外側の花から先に開花する；散房花序