Poaceae Group 8

• Choose this genus
  Bouteloua

  1a. Lemmas 3- or 5-lobed at the apex, with 3 awns; ligules 0.1–0.5 mm long 
 (in part)
• See list of 3 genera in 1b
  CHOOSE THIS LEAD

  1b. Lemmas entire or bilobed at the apex, awnless or with a single awn; ligules 0.5–16 mm long
  • Choose this genus
    Hordeum

    2a. Inflorescence a spike, with spikelets positioned on alternating sides of the rachis 
 [Figs. 235,236]; spikelets 6–150 mm long including the awns (in part)
  • See list of 2 genera in 2b
    CHOOSE THIS LEAD

    2b. Inflorescence a spike-like panicle, with spirally arranged or verticillate spikelets 
 [Fig. 270]; spikelets 1.6–6 (–8) mm long including the awns
    • Choose this genus
      Setaria

      3a. Glumes without awns, the upper with 3–9 veins; spikelets subtended by 1–12 bristles 
 (in part)
    • Choose this genus
      Polypogon

      3b. Glumes with an awn, both with 1 vein; spikelets not subtended by bristles 
 (in part)

Show All Couplets

 Show photos of:   Each photo represents one genus in this subgroup.