High Quality Content by WIKIPEDIA articles! Sageretia (Sageretia or Mock Buckthorn) is a genus of about 35 species of shrubs and small trees in the family Rhamnaceae, native to southern and eastern Asia and northeast Africa. They have small green leaves 1.5–4 cm long, and a leathery multicoloured trunk. The flowers are small and inconspicuous; the fruit is a small edible drupe 1 cm diameter.