Verbascum densiflorum Bertol.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Scrophulariaceae
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Scientific Name
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Description
Species Description - Much like no. 5 [Verbascum thapsus L.], but with larger fls (cor 2.5–4.5 cm wide) and spatulate stigma; often more branching, with several longer, less dense infls; lvs often dentate and more acuminate. Native of Europe, locally intr. and abundant in se. Wis. (V. thapsiforme)