Leptodermis oblonga

About

Leptodermis oblonga, the baby lilac shrub, is a species of flowering plant in the family Rubiaceae, native to Mongolia, central China, and northern Vietnam. It is typically found growing in sunny situations on the slopes of hills, along roadsides, and in thickets. A mound-forming deciduous shrub typically 45 cm (18 in) tall and wide but reaching 60 cm (2 ft), it is hardy in USDA zones 5 through 8. There is a cultivar, 'Summer Stars'.

Summary from Wikipedia