From Flora of Indiana (1940) by Charles C. Deam
In 1923, I found a small colony of this plant in dry, sandy soil near Clarke, in Lake County. Peattie reports finding this same colony a few years later and also says that it is established at Gibson, in Lake County. Clark reported it from Kosciusko County. No doubt it will persist in Lake County and can safely be admitted to our flora.
Indiana Coefficient of Conservatism: C = null, non-native
Wetland Indicator Status: FACW
Stout and erect, 4-10 dm, with a sickly-sweet odor; stem sparsely hairy to densely white-tomentose; lvs sessile or nearly so, broad-based and often clasping, obtuse or rounded above, 2-5 נ1-4 cm, 1-2 times as long as wide, crenate-serrate, strongly rugose-reticulate, strongly villous-tomentose beneath, less so above; verticils crowded into elongate terminal spikes (sometimes interrupted below) 3-15 נ0.5-1 cm; cal 1-2 mm, short-hairy throughout; 2n=24. Native of s. Europe, escaped into waste places and along roadsides throughout s. U.S. and n. occasionally to Me. and O.
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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