Syringa Syringa Syringa (lilac) is a genus of 12 currently recognized species of flowering woody plants in the olive family (Oleaceae), native to woodland and scrub from southeastern Europe to eastern Asia, and widely and commonly cultivated in temperate areas elsewhere. The genus is most closely related to "Ligustrum" (privet), classified with it in Oleaceae tribus Oleeae subtribus Ligustrinae. Lilacs are used as food plants by the larvae of some Lepidoptera species including copper underwing, scalloped oak and Svensson's copper underwing. They are small trees, ranging in size from tall, with stems up to diameter. The leaves are opposite (occasionally in
Botanic Garden of the Irkutsk State University Botanic Garden of the Irkutsk State University The Botanic Garden of the Irkutsk State University is a botanic garden in Irkutsk, Siberia, Russia. It is the only botanic garden in Baikalian Siberia (the Lake Baikal region) and is known as the Irkutsk Botanic Garden. Its mission is "to protect and enrich the flora of the Lake Baikal area and the world for people through public education, collection, propagation, research, and conservation of plants"."" The garden is principally an educational and scientific tool for the university and maintains the largest living plant collection in the region (more than 5000 plant taxa),