Vascular Plants - Scrophulariaceae - Verbascum:
Verbascum thapsus
Page Author: David Giblin
common mullein, flannel mullein, great mullein 
Blooms: June-September
Habit: herb
Duration: biennial
Origin: Introduced from Eurasia
Distribution: Distributed widely throughout Washington; widely distributed throughout North America.
Habitat: Common on open, disturbed ground, roadsides and logged areas in the mountains.
Species Description:

General: Coarse, taprooted biennial, producing a rosette of basal leaves the first year, and a single, erect stem 0.4-2 m. tall the second year, the entire plant covered with white-woolly, branched hairs.
Leaves: Basal leaves broadly oblanceolate, 1-4 dm. long and 4-12 cm. wide, tapered to a long petiole, nearly entire; cauline leaves alternate, numerous, reduced upward, becoming sessile and clasping.
Flowers: Inflorescence a dense, elongate spike; calyx of 5 sepals; corolla usually yellow, slightly irregular, 5 lobed, 1-2 cm. wide; stamens 5, all fertile, the upper 3 filaments densely yellow-hairy, the lower 2 glabrous and longer.
Fruits: Capsule broadly ovoid, 7-10 mm. long.
Accepted Name:
Verbascum thapsus L.
Synonyms:
(none)

Treated in Flora of the PNW as:
Verbascum thapsus
Additional Resources:

PNW Herbaria Specimens: View list of all Verbascum thapsus specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Verbascum thapsus specimens in the WTU Herbarium database.

Washington Flora Checklist: Verbascum thapsus treatment.

E-Flora BC: Verbascum thapsus atlas page.

CalPhotos: Verbascum thapsus images.

USDA Plants Database: Verbascum thapsus.
Additional photographs of Verbascum thapsus:
(click on a thumbnail to view larger photo)

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Jim Riley

H. Tim Gladwin, 1986

H. Tim Gladwin, 1983

Ben Legler, 2005

Richard Old

G. D. Carr, 1986

G. D. Carr, 1986

Harry Thomas, 2012

Ron Bockelman, 2010

Ron Bockelman, 2010

Ron Bockelman, 2010

Ron Bockelman, 2009

Ron Bockelman, 2009

Ron Bockelman, 2009

Ron Bockelman, 2014

Ron Bockelman, 2014

Ron Bockelman, 2014

Roger T. George, 2016

Roger T. George, 2016

Craig Althen, 2010

Craig Althen, 2010

Craig Althen, 2015

Craig Althen, 2015

Thayne Tuason, 2014

Thayne Tuason, 2013

Thayne Tuason, 2013
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