Festuca sibirica Hack. ex Boiss.

Plant dioecious, densely tufted; shoots extravaginal and intravaginal; basal sheaths light gray or brownish, becoming fibrous. Culms 22–40 cm tall, nodes 1(–2). Leaf sheaths glabrous; leaf blades flat or involute, 8–30 cm × 1.5–3 mm, margins smooth or scaberulous; adaxial to abaxial sclerenchyma strands present, abaxial sclerenchyma in narrow discrete strands; ligule 0.4–0.7 mm, margin ciliate. Panicle weakly spreading, 5–7 cm; branches 1–1.5 cm, scabrid, 2 at lowest node (the short branch with only one spikelet). Spikelets 6–8 mm, greenish or yellowish; florets 2–3; glumes membranous; lower glume lanceolate or broadly lanceolate, 3.5–4.8 mm; upper glume broadly lanceolate or ovate, 4–5.3 mm; rachilla internodes 0.5–0.7 mm; lemmas 5.8–6.5 mm, back asperulous; awns absent; palea keels scabrid. Anthers 3–3.5 mm long in male florets. Ovary apex densely hairy in female florets. 2n = 28. Fl. and fr. Jun.

S. Russia to N.W. Himalaya, Nepal.

5000 m

Stony slopes, screes, among rocks, sometimes in sand. Nei Mongol, NE China [Mongolia, Russia].

Festuca albida (Turczaninow ex Trinius) Malyschev (1965), not Lowe (1831); Poa albida Turczaninow ex Trinius; Leucopoa albida (Turczaninow ex Trinius) V. I. Kreczetowicz & Bobrov; L. sibirica Grisebach, nom. illeg. superfl.

Festuca sibirica is a species of grass in the family Poaceae. It is native to Siberia, North China, Afghanistan, and Nepal. It is perennial and grows in temperate biomes.

Festuca sibirica là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Hack. ex Boiss. mô tả khoa học đầu tiên năm 1884.