Juncus marginatus Rostk.

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name

    Juncus marginatus Rostk.

  • Description

    Species Description - Stems cespitose, bulbous-thickened at base, 2–5 dm, seldom taller; lf- sheaths with rounded scarious auricles; principal blades 1–3 mm wide, with 3 prominent veins; invol lf shorter to somewhat longer than the infl; heads 5–20, 4–6 mm thick, subtended by lance-attenuate bracts; fls eprophyllate; sep lanceolate, 2.1–3.1 mm, acuminate or short-aristate; pet 2.3–3.3 mm, oblong with broadly scarious margins, obtuse or rounded; stamens 3, nearly as long as the tep, the anthers reddish-brown, much shorter than the filaments, usually soon shriveling; fr incompletely 3-locular (the partitions not meeting in the center), somewhat turgid-inflated, broadly obovoid, 1.8–2.9 mm, nearly or quite as thick, broadly rounded or somewhat retuse at the tip; 2n=38, 40. Wet meadows and swales; N.S. to Minn. and S.D., s. to Fla. and Tex.