Elymus violaceus, many synonyms including Elymus sierrae, is a species of wild rye.

It is a perennial grass with stems growing 30 to 50 centimeters long and decumbent along the ground at maturity. The inflorescence is a series of single-spikelet nodes a few centimeters long, each spikelet with an outward-curved awn up to 2.5 centimeters long.

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