Differing from no. 4 [Aureolaria grandiflora (Benth.) Pennell] in its much sparser pubescence, entire or merely serrulate bracts, glabrous or subglabrous cal, long, entire cal-lobes considerably exceeding the tube, and slender pedicels commonly 1-2.5 cm at anthesis. Woods; c. Ky. to n. Ga. Aug.-Oct.

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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