Stems erect, simple or branched above, 5-10 dm, finely pubescent with usually appressed hairs; petioles 1-5(-10) mm; lfls oblong to linear, 2-6 cm נ3-7 mm, glabrous or minutely hairy above, thinly to densely sericeous (or subvelutinous) beneath, or with spreading hairs along the midvein; spikes cylindric, 1-3 cm, ±densely fld, on ascending peduncles 1-5 cm; fls 6-9 mm, ochroleucous; cal-lobes densely hairy, 4-6.5 mm; fr densely hairy, nearly or quite as long as the cal-lobes; 2n=20. Dry or moist, acid soils, chiefly on the coastal plain; e. Mass. to Fla. and La.; c. Tenn. Late summer.

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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