serviceberry
     n 1: any of various North American trees or shrubs having showy
          white flowers and edible blue-black or purplish fruit
          [syn: {Juneberry}, {service tree}, {shadbush}, {shadblow}]
     2: edible purple or red berries [syn: {saskatoon}, {shadberry},
         {juneberry}]
Source: WordNet® 2.0