Erect, branching, glandular-pubescent annual to 12 dm; lvs lanceolate; ocreae spreading-hirsute and bristly-fringed; infl loosely branched; peduncles stipitate-glandular; racemes cylindric, drooping, 3-6 cm; perianth pink or rose, 2.5-3 mm; stamens 5(-8); achenes black, smooth and shining, ovoid or commonly obovoid, 1.8-2.4 נ1.5-2 mm, thickly biconvex. Moist or wet ground, fields, roadsides, and meadows; Me. to Wis. (and reputedly Minn.), s. to Del., Ind., and Ill. (Persicaria c.)
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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