Salvia verticillata L.
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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
Lamiaceae
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Scientific Name
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Description
Species Description - Perennial 4–8 dm; lvs broadly ovate-oblong to deltoid, 5–10 cm, coarsely and irregularly serrate, truncate or more often subcordate at base, sparsely hirsutulous, long-petioled; infls usually several, 1–2 dm, interrupted, with 12–30 fls per node; cal almost tubular, 6 mm at anthesis, the upper lip shortly 3-lobed, a fourth to a third as long as the tube and about equaling the lower lip; cor blue (white), 10–15 mm, its upper lip narrowed to the base; 2n=16. Native of s. and e. Europe and w. Asia, intr. in fields and waste places here and there in our range. July–Sept.