Syringa is a genus of about 12 known species of woody flowering plants in the Oleaceae (olive) family native to forests and scrublands from eastern Asia to southeastern Europe and widely grown in temperate zones elsewhere. Syringa is celebrated as Idaho’s state flower.
They are small trees, measuring 7 to 10 inches (2 to 10 meters) tall and with trunks that reach 7.9 to 11.8 inches (20 to 30 centimeters) in diameter. The leaves are arranged opposite each other (sometimes in triple whorls). In most species, their shape is cordate to broadly lanceolate in some species.
Each flower is 5 to 10 millimeters (0.20 to 0.39 in) in diameter with a four-lobed crown, narrow corollaWhat is corolla?A collective term referring to the petals of a flower. tube, and 5 to 20 millimeters (0.20 to 0.79 inches).
The usual color of the flowers is violet (often lavender or light purple). Still, pink, pale yellow, white, and even dark burgundy are available. Flowering varies by species between mid-spring and early summer.