Syringa reticulata Syringa reticulata Syringa reticulata (Japanese tree lilac; ; ) is a species of Lilac, native to eastern Asia: in northern Japan (mainly Hokkaidō), northern China (Gansu, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shanxi, Sichuan), Korea, and far southeastern Russia (Primorye). "Syringa reticulata" is a deciduous small tree growing to a height of 39' (12 m), rarely to 49' (15 m), with a trunk up to 11.8" (30 cm), rarely 15.7" (40 cm) diameter; it is the largest species of lilac, and the only one that regularly makes a small tree rather than a shrub. The leaves are
Privet as an invasive plant Privet as an invasive plant See also Privet. Privet refers to any of a number of shrubs or trees in the genus Ligustrum. The genus contains about 50 species native to the Old World and Australasia. Many members of the genus are grown as ornamental plants in parts of the world. Several species of privet have become a nuisance in regions outside its range. In these conditions it is most commonly found wherever there is disturbed soil, soil that is physically perturbed from its natural state through fire or mechanical machinery, such as along fencerows, old fields, ditches, and forest