Much like no. 2 [Plantago major L.]; petiole generally glabrous and anthocyanic at base; bracts lance-attenuate; sep ovate or oblong, acute, the sharp keel much wider than the scarious margin; fr slenderly ellipsoid or narrowly ovoid, 4-6 mm, circumscissile far below the middle; seeds 4-10, 1.5-2 mm; 2n=24. Lawns, gardens, roadsides, and waste places throughout our range, w. to Mont., s. to Fla. and Tex.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.