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1 Plants, glandular: peduncles, sepal exteriors, and lower leaf surfaces and leaf margins stipitate glandular; stems densely puberulent; [narrow endemic of the Nashville Basin of the Cumberland River Valley of TN]
..2 Inflorescence long arcuate, the flowers arching above the stem; foliose bracts positio 1/4 to 1/2 of the peduncle length from the junction of the stem base; secondary and tertiary leaf veins never raised
....3 Lower leaf surface and sepal exteriors densely pubescent with villous and sericeous hairs; sepal exterior COLOR; pubescence entirely covering the epidermal tissue space between the raised secondand tertiary veins; [endemic to limestone escarpment barrens of the Cumberland Plateau of ne. AL, nw. GA, and TN]
....3 Lower leaf surface and sepal exteriors sparsely villous; sepal exterior magenta pink; pubescence absent between the secondary and tertiary veins; [endemic to prairie remnants of the Black Belt of AL]