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Chinese Plant Names | Family List | Poaceae | Elymus

Elymus purpuraristatus C. P. Wang et H. L. Yang


Description from Flora of China

Culms robust, to 160 cm tall, together with leaf blade and spike usually farinaceous throughout. Leaf sheath glabrous; leaf blade usually rolled, 15–25 × 0.25–0.4 cm, abaxial surface smooth, adaxial surface scabrous. Spike erect or slightly curved, slender, usually dense, 8–15 cm; rachis margin ciliolate. Spikelets 2 per node, purplish green, 10–12 mm, with 2 or 3 florets. Glumes lanceolate or linear-lanceolate, 7–10 mm, 3-veined, ± purplish punctate, scabrous, hispidulous along veins, apex mucronate. Lemma oblong-lanceolate, purplish punctate throughout, pubescent; first lemma 6–9 mm; awn purple, 7–15 mm, pubescent. Palea equaling or subequaling lemma, ciliolate along keels. Fl. and fr. late summer.

In the protologue, the specific epithet was misspelled "pur-pur-aristus" on p. 83, presumably as a typographical error. In the illustration caption on p. 90 it was correctly spelled "purpuraristatus."

* Mountain slopes, valleys. Nei Mongol.


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