E-Flora BC: Electronic Atlas of the Flora of British Columbia

Taraxacum laevigatum (Willd.) DC.
red-seeded dandelion (rock dandelion)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #16314)

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Distribution of Taraxacum laevigatum
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Species Information

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General:
Perennial herb from a simple or branched stem-base and a thick, often deep taproot; stems erect, solitary to several, simple, hollow, glabrous or sometimes hairy above, exuding milky juice when broken, 10-60 cm tall.
Leaves:
Basal leaves oblanceolate to lanceolate, 5-25 cm long, 1-4 cm wide, tapering basally to a more or less winged stalk, deeply pinnately cut or pinnately divided into backward-pointing, narrow, triangular-lanceolate lobes with segments tapered to a slender tip, the terminal lobe not much larger than the lateral ones, glabrous or nearly so; stem leaves lacking.
Flowers:
Heads with strap-shaped flowers, solitary; involucres 10-20 mm tall; involucral bracts in 2 series, the outer ones egg-shaped to lanceolate, appressed to ascending or sometimes reflexed, glabrous or long-hairy, the inner ones lance-oblong, long-pointed, usually horned at the tips; ray flowers yellow, the outer ones often purplish on the outside; disk flowers lacking.
Fruits:
Achenes 3-4 mm long, not including the slender beak which is 1 to 2, sometimes 3 times the length of the body, red or reddish-brown, sharply ribbed and conspicuously spiny above; pappus of numerous, 4-7 mm long, white to dull white hairlike bristles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides, fields, gardens and waste places in the lowland, steppe and montane zones; frequent in S BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Leontodon erythrospermum (Andrz. ex Bess.) Britt.
Taraxacum disseminatum Hagl.
Taraxacum erythrospermum
Taraxacum lacistophyllum (Dahlst.) Raunk.
Taraxacum scanicum Dahlst.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References