Crataegus pruinosa (H.Wendl.) K.Koch  
Family: Rosaceae
frosted hawthorn, waxy-fruit hawthorn
[Crataegus X formosa Sarg.]
Crataegus pruinosa image
from USDA Plants website  
Etymology: Crataegus: Greek cratos for "strength" because of the hardness of the wood
Plants: perennial shrub
Crataegus pruinosa image
from USDA Plants website  
Crataegus pruinosa image
Crataegus pruinosa image
Crataegus pruinosa image