少花披碱草 shao hua pi jian cao

Agropyron kronokense Komarov, Repert. Spec. Nov. Regni Veg. 13: 87. 1914; A. boreale (Turczaninow) Drobow; Elymus borealis (Turczaninow) D. F. Cui (1996, "borealus"), not Scribner (1900); E. kronokensis subsp. borealis (Turczaninow) Tzvelev; Roegneria borealis (Turczaninow) Nevski; R. kronokensis (Komarov) Tzvelev; Triticum boreale Turczaninow.

Culms erect, slender, (20–)30–60 cm tall, smooth, glabrous. Leaf blade flat, 5–9 × 0.15–0.25 cm, abaxial surface glabrous but scabrous, adaxial surface pilose. Spike erect, dense, 4–12 cm; rachis densely hirsute; Spikelets 1 per node, purple or purplish green, 9–10 mm, with 2(or 3) florets. Glumes lanceolate or broadly so, 4–6(–7) × 1.5–2.5 mm, 3–5-veined, glabrous, or scabrous along veins, margin purple or purplish membranous, apex obtusely dentate or with awn 1(–3) mm. Lemma lanceolate, 7–8(–9) mm, smooth, glabrous; awn 2–4 (–5) mm. Palea equaling lemma, ciliate along keels, apex emarginate. Fl. and fr. Jun–Aug. 2n = 28.

Meadows in alpine zones and river valleys; 1600–1800 m. Xinjiang [Mongolia, Russia].