Common Mullein
Verbascum thapsus
Observed along Sycamore Creek in the Pine Mountain Wilderness, Yavapai Co., Arizona, USA. 07 June 2009.
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.
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.
UNARMED
Scrophulariaceae -- Figwort Family
More Information:
- SEINET
- Missouri Plants
- USDA Plant Profile
- ITIS Taxonomic Report
- Google Images
- Google Scholar Literature Search