- A shrub of the genus Syringa. There are six species, natives
of Europe and Asia. Syringa vulgaris, the common lilac, and S. Persica,
the Persian lilac, are frequently cultivated for the fragrance and
beauty of their purplish or white flowers. In the British colonies
various other shrubs have this name. - A light purplish color like that of the flower of the
purplish lilac.