Dandelion (Common Dandelion, Blowball, Lion's Tooth)

Kingdom: Plantae, Division: Tracheophyta, Class: Magnoliopsida, Order: Asterales, Family: Asteraceae, Genus: Taraxacum, Species: T. officinale · Asteraceae (Daisy, Aster, or Sunflower family) · Simple (the provided image actually depicts a flower head with a scape/stem rather than a leaf, but the species features simple basal leaves)

Dandelion (Common Dandelion, Blowball, Lion's Tooth)

Species

Taraxacum officinale

Leaf Type

Simple (the provided image actually depicts a flower head with a scape/stem rather than a leaf, but the species features simple basal leaves)

Family

Asteraceae (Daisy, Aster, or Sunflower family)

Shape

Runcinate (deeply lobed with lobes pointing backward) to oblanceolate for typical leaves

Size

Leaves typically range from 2 to 15 inches (5-38 cm) long; the displayed flower head structure is approximately 1 to 2 inches across on a hollow scape

Margin

Serrate to deeply lobed or sinuate

Arrangement

Basal rosette directly rising from a thick, fleshy taproot

Rarity

Very Common

Color & Pattern

Bright yellow ray flowers turning to white pappus/seeds; leaves are medium to dark green without markings

Venation Pattern

Pinnate venation with a prominent central midrib

Texture & Surface

Smooth to sparsely hairy, herbaceous

Description

The common dandelion is a familiar herbaceous perennial weed known for its bright golden-yellow flower heads composed entirely of ray florets. Borne on hollow, milky-sapped scapes, these flowers mature into spherical seed heads featuring wind-borne parachutes. The plant produces a rosette of deeply lobed leaves from a deep, resilient taproot.

Key Features

Hollow leafless flower stalks (scapes) containing milky white latex, yellow flower heads made exclusively of ray florets, and a basal rosette of sharply toothed or lobed leaves

Habitat

Disturbed soils, lawns, fields, meadows, roadsides, and gardens; thrives in full sun and well-drained soils

Geographic Range

Native to Eurasia and North America, now widespread as a cosmopolitan weed across temperate and subtropical regions globally

Condition Notes

The specimen shown is a harvested or detached flower head in a slightly wilted or maturing state, graded as Fair

Interesting Facts

Every part of the dandelion is useful. The name comes from the French dent-de-lion, meaning lion's tooth, referencing the coarsely toothed leaves. Their flowers track the sun and close at night or in cloudy weather.

Medicinal & Uses

Leaves are edible, rich in vitamins A, C, and K, and often used in salads or teas. Roots are roasted as a coffee substitute. Historically used as a diuretic and liver tonic. Non-toxic.

Ecological Role

Provides crucial early-season nectar and pollen sources for bees and other pollinators. Seeds are heavily consumed by birds. No conservation concerns as it is extremely prolific.

Similar Species

Cat's-ear (Hypochaeris radicata) and Hawkweed (Hieracium species), which can be distinguished by having branched, solid stems rather than a single hollow scape bearing one flower head

Foraging Tips

Look in lawns and open grassy areas during spring and summer. Ensure foraging locations are free from chemical pesticides and pet waste. All parts are edible.

Toxicity Warning

Non-toxic

Identified on 8/25/2026
Dandelion (Common Dandelion, Blowball, Lion's Tooth) | Leaf Identifier