Poa trivialis L.

• Authority

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

• Family

  Poaceae

• Scientific Name

  Poa trivialis L.

• Description

  Species Description - Culms slender to stout, erect from a decumbent (even shortly stoloneous) base, 5–10 dm, without rhizomes, smooth or often scaberulous below the infl; sheaths finely scabrous; blades soft, 2–6 mm wide, the cauline ones often 15 cm; ligule (2.5–)3–7+ mm, panicle soon long-exsert, ovoid or oblong, the ascending branches in sets of 5–8, with numerous crowded spikelets; pedicels scabrous; spikelets ovate or elliptic, 2-fld and 2.7–3.2 mm or 3-fld and 3–4 mm; glumes lanceolate, incurved, the first 1.7–2.9 mm, the second 2–3.3 mm; lemmas thin, narrowly ovate, sharply 5-veined, acute or acuminate, glabrous except the scaberulous keel and webbed base; anthers 1–2 mm; 2n=14, 28. Native of Europe, intr. in meadows, moist woods, and along roadsides from Nf. to Minn. and S.D., s. to N.C. and Ill., and in the Pacific states.

• Common Names

  rough bluegrass