Vascular Plants - Scrophulariaceae - Verbascum:
Verbascum blattaria
Page Author: David Giblin
moth mullein 
Blooms: May-September
Habit: herb
Duration: biennial
Origin: Introduced from Eurasia
Distribution: Ocurring on both sides of the Cascades crest in Washington; introduced over most of the United States.
Habitat: Open areas in waste ground, tolerant of moist to dry.
Species Description:

General: Taprooted biennial, producing a rosette of basal leaves the first year, and the second year a single, upright stem 4-15 dm. tall, which is glabrous below and with stalked glands in the inflorescence.
Leaves: Basal leaves broadly oblanceolate, 5-15 cm. long and 1-3 cm. wide, tapering to a short petiole, toothed and often lobed; cauline leaves alternate, numerous, reduced upward, becoming sessile and clasping, toothed but not lobed.
Flowers: Inflorescence an open, elongate raceme; pedicels 8-15 mm. long, much surpassing the lanceolate bracts; calyx of 5 sepals; corolla yellow or white, 2-3 cm. long, slightly irregular, 5-lobed; stamens 5, all fertile, the filaments covered with purple-knobbed hairs.
Fruits: Capsule ovoid-globose, 6-8 mm. high.
Accepted Name:
Verbascum blattaria L.
Synonyms:
(none)

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

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

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

Washington Flora Checklist: Verbascum blattaria treatment.

E-Flora BC: Verbascum blattaria atlas page.

CalPhotos: Verbascum blattaria images.

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

Jim Riley

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

G. D. Carr, 2006

G. D. Carr, 2006

G. D. Carr, 2006

G. D. Carr, 2006

Harry Thomas, 2011

Harry Thomas, 2011

Harry Thomas, 2011

Fred Weinmann, 2013

Craig Althen, 2015

G. D. Carr, 2015

G. D. Carr, 2015

Craig Althen, 2016

Craig Althen, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Roger T. George, 2016

Craig Althen, 2016

Craig Althen, 2015

Craig Althen, 2015

Craig Althen, 2015

Craig Althen, 2015
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