Verbascum thapsus

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Scientific Name Verbascum thapsus USDA PLANTS Symbol
Common Name Mullein ITIS Taxonomic Serial No.
Family Scrophulariaceae (Figwort) Colorado Dept. of
Agriculture Reference
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Description Life zones and habitat: Foothills and montane; openings, disturbed areas, roadsides.
Plant: Erect biennial 2 to 6 feet tall, leafy base.
Leaves: Large 3 to 20 inch-long velvety, pale-green leaves in basal rosette and along lower stem.
Inflorescence: Yellow flowers with 5 petals densely arranged on a spike-like, terminal inflorescence. Flowers are short-lived open to pollination for 1 day from just before dawn to midafternoon.
References: Descr. adapted from US Forest Service.
Note: Verbascum thapsus has a number of beneficial uses, even though it is considered an invasive species. To learn more click here.
Colorado Status
Noxious Weed

© Tom Lebsack 2018