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Keys
  • Vascular plant groups
  • Club mosses
  • Ferns
  • Vegetative key to families
  • Gymnosperms
  • Flowering plants
  • Genera
  • Families

Lolium L.

Glumes 1, except 2 on the terminal spikelet. Spikelets sessile, alternate on a flattened rhachis Lolium
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Glume shorter than the spikelet (less than half to two-thirds the length)
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Glume c. as long as, or longer than the spikelet