Fimbristylis autumnalis (L.) Roem. & Schult.

  • 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

    Fimbristylis autumnalis (L.) Roem. & Schult.

  • Description

    Species Description - Tufted annual to 2 dm; stems flattened, often harsh-edged; lvs subdistichous, to 4 mm wide; ligule a line of short hairs; longest invol bract suberect, sometimes surpassing the infl; spikelets 3–7 mm, slender, in a dense or open system of often subumbelliform cymes; scales lance-ovate, usually keeled, excurrently mucronate; stamens (1)2; anthers minute; style trifid, much longer than the achene, smooth; achene 1 mm, obovoid-trigonous, smooth to verrucose; 2n=10. Moist or wet, often disturbed sites; pantropical, n. to Me. and Minn.