The Genus Prunus
1. Sweet Cherry: Prunus avium -
2. Cherry Plum: Prunus cerasifera -
3. Bittercherry, Bitter Cherry: Prunus emarginata var. emarginata - Shrub to 12 feet. Flowers small, smaller than a dime in diameter, white with 5 petals, in small clusters along the stems. Leaves dark green, with shiny upper surfaces, and elliptical shape.
4. Bittercherry: Prunus emarginata var. mollis -
5. Blackthorn: Prunus spinosa -
6. Choke Cherry: Prunus virginiana var. melanocarpa - Shrub or small tree to 25 feet tall. Small, white flowers arranged in racemes at the tips of branches.