Verbascum thapsus

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Scientific Name Verbascum thapsus USDA PLANTS Symbol VETH
Common Name Mullein ITIS Taxonomic Serial No. 33394
Family Scrophulariaceae (Figwort) SEINet
Reference
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Description Life zones and habitat: Plains to montane (4000 to 9500 ft.); openings, disturbed areas, roadsides.
Plant: Erect fuzzy biennial 2 to 6 feet tall, leafy base.
Leaves: Large 3 to 20 inch-long velvety, oblanceolate to obovate to ovate pale-green leaves in a basal rosette (first year) and alternate along the lower stem thereafter; margins crenate to almost entire.
Inflorescence: Yellow flowers with 5 petals densely arranged on a spike-like, terminal panicle up to 20 inches long; 5 stamens with red, orange or yellow anthers; flowers are short-lived, open to pollination for 1 day from just before dawn to midafternoon.
References: "Flora of Colorado" by Jennifer Ackerfield, Colorado Dept. of Agriculture, US Forest Service Fire Effects Information System.
Note: Verbascum thapsus has a number of beneficial uses, even though it is considered an invasive species. To learn more click here.
BONAP Distribution Map

Colorado Status:
Introduced
NOXIOUS WEED

© Tom Lebsack 2020