Purple leaf plum, cherry plum or prunus cerasifera. Very fragrant white and pink flowers in spring. Dark purple foliage with thin, elliptical leaves. Small, edible, somewhat tasteless fruit. This specific cultivar in the @laarboretum Is the "Krauter vesuvius", which has the additional characteristics of growing into a dense, round tree and produces many blossoms. It was introduced into cultivation by Karl Krauter of Krauter Nursery in Bakersfield, California. The tree is native to Western Asia and the Caucuses.