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Much like no. 10 [Pycnanthemum muticum (Michx.) Pers]; principal lvs broadly lanceolate or lance- elliptic to rather narrowly ovate, mostly 6.5-12 נ2-4.5 cm, (2-)2.5-3.5(-4) times as long as wide; bracts notably long-ciliate, otherwise glabrous or nearly so; cal with scattered long hairs, at least toward the summit, the teeth bristle-tipped; 2n=38. Mt. woods; s. W.Va. to Va., N.C., and Ga.

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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