Stem 4-9 dm, dichotomously forked above, hairy when young; lvs sessile, thin, ovate or lance-ovate, 5-12 נ2-5 cm, acuminate, lanulose beneath, the veins densely so; fls in subsessile clusters of 1-3 ending the branches, the pedicels 15-30 mm; tep yellowish-green, unspotted, narrowly lanceolate, 15-25 נ2.5-4 mm; stamens half to two-thirds as long as the perianth, the filaments 6-10 mm; ovary narrowly ellipsoid, glabrous or slightly hairy; ovules pendulous, 2 per locule; stigma trifid; fr red, glabrous; 2n=18. Rich woods; N.Y. to s. Ont., s. to Ga. and Ala., chiefly in the mts. May, early June. (Prosartes l.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.