Small little cherry, ripens dark.
Younger stems light tan with reddish buds. Lots of lenticles.
Potentially great fall color. Oranges and yellows. This is the cultivar 'Autumnalis'.
The bark of cherries can be pretty confusing and variable. Generally speaking they have horizontal bands of lenticles but since most of the trees are grafted you can find trees with P. serrula bark (see below) or other unknown species. Don't be misled, you can actually find this bark on many trees, Kwanzan, and Weeping cherries.
Other cherries. Flowers of the Japanese cherries are held in racemes not umbels. Leaves tend to be narrower and usually smaller than the Japanese cherries.
411 Clubhouse Dr. Single Pink upright
518 Clubhouse Dr. Double Pink Weeping
433 Los Altos Dr. Single Pink Weeping