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Elymus stebbinsii
STEBBINS' WHEAT GRASS

Elymus stebbinsii Gould
NATIVE
Habit: Plant cespitose, sometimes from short rhizomes. Stem: 6--14 dm. Leaf: sheath glabrous or pubescent, auricles 0.5--2 mm, persistent; ligule 0.3--3.5 mm, membranous; blade 2--6 mm wide, flat or rolled. Inflorescence: 15--30 cm; internodes (9)12--27 mm; spikelet generally 1 per node. Spikelet: 12--29 mm; glumes 10--15 mm, awn 0; florets 5--7; lemma 8--12 mm, awn (0)1--28 mm, straight; anthers (3.5)4--7 mm. Chromosomes: 2n=28.
Ecology: Dry slopes, chaparral, conifer forest; Elevation: < 2230 m. Bioregional Distribution: NCoRI, SN, SCoR, TR, PR. Flowering Time: Jun--Jul Note: Hybridizes with Elymus glaucus and Elymus trachycaulus. If recognized taxonomically, plants with +- longer awns, generally glabrous leaf sheaths assignable to Elymus stebbinsii subsp. septentrionalis Barkworth.
Synonyms: Agropyron parishii Scribn. & J.G. Sm.
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Citation for this treatment: Elymus stebbinsii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=101964, accessed on November 24, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on November 24, 2017.