Common Lilac (also known as French Lilac)
Kingdom: Plantae > Division: Tracheophyta > Class: Magnoliopsida > Order: Lamiales > Family: Oleaceae > Genus: Syringa > Species: Syringa vulgaris · Oleaceae (Olive family) · Simple, Deciduous
Species
Syringa vulgaris (High confidence)
Leaf Type
Simple, Deciduous
Family
Oleaceae (Olive family)
Shape
Broadly cordate (heart-shaped) to ovate with a short-acuminate apex and subcordate to truncating base
Size
Approximately 3-5 inches (8-12 cm) long and 2-3.5 inches (5-9 cm) wide, fully within typical adult dimensions for this species
Margin
Entire (completely smooth along the edges with no teeth or serrations)
Arrangement
Opposite (leaves arise in pairs directly across from each other along the stem on distinct petioles)
Rarity
Very Common (frequently planted in landscapes and gardens throughout temperate climates worldwide)
Color & Pattern
Vibrant medium-to-bright yellow-green on the adaxial surface with a slightly paler abaxial undersurface; uniform green tone without variegation except for a single minor brownish spot near the top left lobe
Venation Pattern
Pinnate to secondary reticulate venation; central midrib is prominently lighter green with secondary veins curving gracefully toward the apex and margins
Texture & Surface
Glabrous (smooth and hairless) on both surfaces, leathery to slightly papery in feel, matte-to-satin sheen under indirect daylight
Description
Syringa vulgaris is a hardy multi-stemmed deciduous shrub or small tree growing up to 12-20 feet tall. It is renowned for its heart-shaped, smooth green leaves and intensely fragrant terminal clusters (panicles) of purple, lilac, or white flowers blooming in late spring. The bark is gray-brown and becomes flaky or furrowed with age.
Key Features
Distinctive heart-shaped leaves with completely smooth margins, opposite leaf arrangement, thick woody stems with prominent nodes, and fragrant cone-shaped spring floral panicles
Habitat
Thrives in full sun, well-drained fertile or alkaline soils; commonly grown in gardens, parks, hedgerows, and naturalized along roadsides and old homesteads in temperate regions
Geographic Range
Native to the rocky hillsides and woodlands of the Balkan Peninsula in Southeastern Europe; widely cultivated and naturalized across North America, Europe, and Asia
Condition Notes
Good condition; vibrant leaf lamina with a single minor necrotic brown spot (likely minor fungal or physical spot), otherwise clean margin and healthy color profile
Interesting Facts
Lilacs were brought to North America by early European settlers in the 17th century; they are remarkably long-lived plants often persisting around old abandoned farmsteads for over a century; it is the official state bush of New Hampshire
Medicinal & Uses
Widely used as an ornamental specimen, hedge plant, and screening shrub. The flowers yield essential oil used in perfumes and aromatherapies. Historically used in folk medicine as a febrifuge (fever reducer) and astringent.
Ecological Role
Flowers provide early summer nectar for butterflies, bees, and hummingbirds; provides nesting cover and shelter for songbirds
Similar Species
Catalpa (Catalpa bignonioides) - leaves are much larger and arranged in whorls of 3; Japanese Lilac Tree (Syringa reticulata) - has more ovate leaves and blooms later with cream-white flowers
Foraging Tips
Look for opposite heart-shaped leaves with smooth margins and woody stems with prominent lenticels during spring and summer; edible blossoms can be harvested in late spring for syrups, jellies, and garnishes
Toxicity Warning
Non-toxic to humans, dogs, cats, and horses. Lilac flowers are considered edible in small quantities, though always verify plant identity and chemical exposure before consuming.