From Flora of Indiana (1940) by Charles C. Deam
This species seems to be localized in a few of the northern counties, where it is infrequent, and there are a few specimens from some of the Ohio River Counties. Probably it is rare or absent elsewhere. It is found in slightly acid soils on white oak slopes.
Indiana Coefficient of Conservatism: C = 8
Wetland Indicator Status: n/a
Perennial 0.5-1.5 m, with ascending branches, finely downy throughout; lower lvs lance-ovate, usually with one or 2 pairs of large obtuse lobes below the middle, the upper progressively reduced and less lobed, the bracteal ones lanceolate and commonly entire; pedicels very stout, straight, ascending, 1-3 mm; fr ovoid, 10-15 mm, densely pubescent; 2n=26. Dry woods; Mass. to Ont. and Mich., s. to Fla. and Ala. June-Sept. (Gerardia v.; G. flava, misapplied)
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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