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This species is accepted, and its native range is Siberia.

[GB]
Morphology General Habit
Perennial; caespitose; clumped loosely. Culms decumbent; 40-80 cm long. Ligule an eciliate membrane. Leaf-blades flat, or conduplicate; 1-3 mm wide; coriaceous; stiff. Leaf-blade surface ribbed; scabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; lanceolate; 14-25 cm long. Panicle branches scaberulous. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; 4-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; 4-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; similar to fertile lemma in texture; shiny. Lower glume lanceolate; 4-5.5 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 4-5.5 mm long; 1.3 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 3-3.5 mm long; membranous; shiny; without keel; 5 -veined. Lemma apex erose, or dentate; 4 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.1 way up back of lemma; straight; 3-3.5 mm long overall; not or scarcely exserted from spikelet.
Morphology Reproductive morphology Flowers
Anthers 3; 1.5-1.8 mm long. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum punctiform.
Distribution
Asia-temperate: Siberia.
Reference
Aveneae. Tsvelev 2011.

Native to:

Irkutsk

Deschampsia baicalensis Tzvelev appears in other Kew resources:

First published in Bot. Zhurn. (Moscow & Leningrad) 95: 861 (2010)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0