Rose of Sharon (also known as shrub althea or syrian ketmia)

Kingdom: Plantae, Division: Tracheophyta, Class: Magnoliopsida, Order: Malvales, Family: Malvaceae, Genus: Hibiscus, Species: H. syriacus · Malvaceae (Mallow family) · Simple, deciduous

Rose of Sharon (also known as shrub althea or syrian ketmia)

Species

Hibiscus syriacus

Leaf Type

Simple, deciduous

Family

Malvaceae (Mallow family)

Shape

Ovates to rhombic-ovate with three distinct lobes

Size

Approximately 2-3 inches long, typical for the species where leaves generally range from 2 to 4 inches in length

Margin

Coarsely serrate or toothed, particularly in the upper half of the leaf

Arrangement

Alternate

Rarity

Very Common

Color & Pattern

Pressed specimen showing muted green leaves and faded blue-purple petals with darker central veins; typical living leaves are medium to dark green above and paler beneath

Venation Pattern

Palmate venation with three prominent veins radiating from the base

Texture & Surface

Smooth to slightly rough papery texture due to the pressing process

Description

A popular ornamental woody shrub or small tree known for its showy, trumpet-shaped flowers in shades of pink, purple, blue, or white. The specimen shows pressed flowers and characteristic lobed, toothed leaves typical of mature flowering stems.

Key Features

Alternate, three-lobed leaves with coarsely toothed margins, combined with large showy flowers featuring a prominent staminal column

Habitat

Thrives in full sun to partial shade, adaptable to various well-drained soils, highly tolerant of urban pollution and drought once established

Geographic Range

Native to temperate Asia (China, India), widely cultivated and naturalized across North America, Europe, and other temperate regions globally

Condition Notes

Well-preserved herbarium-style pressed specimen; completely dried, flattened, and secured with clear tape in a notebook, showing typical color fading associated with pressed floral specimens

Interesting Facts

Despite its common name Rose of Sharon, it is not a true rose but a member of the mallow family. It is the national flower of South Korea and features prominently in its national anthem

Medicinal & Uses

Widely used as an ornamental landscape shrub in gardens and urban plantings. In traditional herbal medicine, various parts have been used for soothing skin irritations and teas, though primarily valued today for horticulture

Ecological Role

Attracts pollinators such as bees, butterflies, and hummingbirds. Serves as an important nectar source late in the summer garden season

Similar Species

Alcea rosea (Hollyhock) shares similar floral structures and mallow family traits but is typically an herbaceous biennial or short-lived perennial rather than a woody shrub

Foraging Tips

Look for cultivated hedges and garden borders during summer and early autumn when the shrubs are in full bloom; easily recognized by the vase-shaped growth habit and abundant showy flowers

Toxicity Warning

Non-toxic. Safe for humans and common household pets like cats and dogs

Identified on 8/11/2026