Page author: David Giblin
Dipsacus fullonum
fuller's teasel
WTU specimens
Other herbaria

Distribution: Widely distributed in Washington; introduced throughout much of North America.

Habitat: Weed of moist ground and disturbed areas in the lowlands.

Flowers: July-September

Origin: Introduced from Europe

Conservation Status: Not of concern

Description:
General:

Stout, tap-rooted biennial, the stem prickly and angled, 0.5-2 m. tall.

Leaves:

Leaves opposite, prickly on the midrib beneath, otherwise mostly glabrous, the basal ones oblanceolate, wavy-margined, dying early in the second season; cauline leaves lanceolate, entire, the pairs uniting at the base to form a cup.

Flowers:

Inflorescence of dense, ovoid or cylindric, erect heads 3-10 cm. long, terminating the long, naked peduncles; involucre bracts linear, prickly, curved upward, unequal, the longer ones surpassing the heads; bracts on the receptacle awn-tipped; calyx cup-shaped, 4-angled, silky, 1 mm. long; corolla slender, whitish, the tube 10-15 mm. long, with 4 short, purplish lobes; stamens 4.

Fruits:

Fruit dry, indehiscent, 5 mm. long.

Accepted Name:
Dipsacus fullonum L.
Publication: Sp. Pl. 1: 97. 1753.

Synonyms & Misapplications:
Dipsacus fullonum L. ssp. sylvestris (Huds.) Clapham
Additional Resources:

PNW Herbaria: Specimen records of Dipsacus fullonum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Dipsacus fullonum checklist entry.

E-Flora BC: Dipsacus fullonum atlas page.

CalPhotos: Dipsacus fullonum photos.

USDA Plants: Dipsacus fullonum information.

29 photographs:
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