Common Mullein

Verbascum thapsus

Common Mullein, Verbascum thapsus, © by Michael Plagens

Observed along Sycamore Creek in the Pine Mountain Wilderness, Yavapai Co., Arizona, USA. 07 June 2009.

African Cluster Bugs, Agonoscelis puberla, on Common Mullein, Verbascum thapsus, © by Michael Plagens

Cluster of Agonoscelis puberula, an exotic stink bug, on developing seeds/fruit. Observed along Dugas Rd. west of Pine Mountain, Yavapai Co., Arizona, USA. 03 August 2014.

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LEAVES: Rosette of large basal leaves are thick and covered with a dense, soft layer of pubescence.
thumb image by Wikipedia User:Bjoertvedt
FLOWERS: Yellow flowers, nearly radially symetrical, are borne on a tall, unbranched, single stalk. Five petals.

BIENNIAL: From a stout taproot the plant sends up its flowering stalk the second year. The stalk may reach nearly 2 meters tall.

RANGE: Along the deep-soiled terraces adjacent to sycamore-lined streams, becoming more common at the higher, moister elevations. This Eurasian native can also be found across much of North Amercia.

FRUIT: Numerous, small black seeds are found within the capsules which turn brown at maturity and split open from the top.


Scrophulariaceae -- Figwort Family

More Information:

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Arizona Naturalist
Sycamore Canyons
The Flora of Arizona's Sycamore Canyons


Copyright Michael J. Plagens, page created 01 August 2009,
updated 3 May 2015.