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Elymus lanceolatus subsp. psammophilus

Elymus lanceolatus subsp. psammophilus (J.M. Gillett & H. Senn) A. Love  
Family: Poaceae
Sand-Dune Wheatgrass
[Agropyron dasystachyum subsp. psammophilum (J.M. Gillett & H. Senn) D.R. Dewey, moreAgropyron dasystachyum var. psammophilum (J.M. Gillett & H. Senn) E.G. Voss, Agropyron psammophilum J.M. Gillett & H. Senn, Agropyron psammophilum f. aristatum J.M. Gillett & H. Senn]
Elymus lanceolatus subsp. psammophilus image
  • FNA
  • Resources
Mary E. Barkworth, Julian J.N. Campbell, Bjorn Salomon. Flora of North America

Culms 20-95 cm. Spikes 4-26 cm; internodes 3.5-13 mm, hairy at least distally. Spikelets 9-31 mm. Lemmas densely hairy, hairs flexible, usually many longer than 1 mm; paleas hairy between the keels, keels hairy proximally.

Elymus lanceolatus subsp. psammophilus tends to grow in sandy soils. It was originally described from around the Great Lakes, but plants with similar vestiture have been found scattered throughout the western range of the species, almost always in association with sandy soils. Those from the Yukon and northern British Columbia tend to be shorter and have smaller spikelets and spikelet parts than those from Washington and Saskatoon, but there is considerable overlap in these characters. Plants from around the Great Lakes (Gillett and Senn 1960) were almost completely pollen sterile. Despite this, Gillett and Senn rejected the notion that they were hybrids.

Elymus lanceolatus subsp. psammophilus
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Elymus lanceolatus subsp. psammophilus image
Elymus lanceolatus subsp. psammophilus image
Elymus lanceolatus subsp. psammophilus image
Elymus lanceolatus subsp. psammophilus image
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Elymus lanceolatus subsp. psammophilus image
Elymus lanceolatus subsp. psammophilus image
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Elymus lanceolatus subsp. psammophilus image
Elymus lanceolatus subsp. psammophilus image
Elymus lanceolatus subsp. psammophilus image
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Elymus lanceolatus subsp. psammophilus image
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