The Jepson Manual: Higher Plants of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

Names are linked to treatments from the Manual


Key to ELYTRIGIA

N.B.: couplets are linked, e.g., 1. is linked to 1'.

  1. Plants without rhizomes; glume tip truncate; glumes weakly keeled
 
    2. Lowest spikelets > or = internodes
 E. elongata
    2' Lowest spikelets < internodes
 E. pontica subsp. pontica
  1' Plants strongly rhizomed; glume tip generally acute to obtuse; glumes keeled
 
    3. Glumes acute to awn-tipped; blades drooping, distance between veins >> vein widths
 E. repens
    3' Glumes truncate to obtuse, not awn-tipped; blades stiff, distance between veins < or = vein width
 
      4. Inflorescence axis not breaking apart in fruit; blade veins > 8, not strongly ribbed
 E. intermedia subsp. intermedia
      4' Inflorescence axis breaking apart in fruit; blade veins < 8, strongly ribbed
 E. juncea subsp. boreo-atlantica

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