Stem 6-15 dm; lvs and infl as in no. 2 [Veratrum woodii A. W. Wood]; pedicels to 12 mm; tep greenish or yellowish-green, 4-7 mm, glabrous, conspicuously narrowed to the base, not glandular, those of the staminate fls oblanceolate, acuminate or sharply acute, those of the pistillate fls obovate, obtuse or subacute; filaments curved, a third as long as the perianth-segments and adnate to their base; fr as in no. 1; 2n=16. Moist wooded slopes in the mts; Va., W.Va., Ky., N.C., and Tenn. Aug. (Melanthium p.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.