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This species is accepted, and its native range is NE. Iran to Mongolia.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Annual. Culms geniculately ascending; 30-70 cm long. Culm-nodes pubescent. Ligule an eciliate membrane. Leaf-blades flat, or conduplicate, or involute; 7-15 cm long; 3-4 mm wide. Leaf-blade surface scabrous; pubescent; hairy on both sides. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Peduncle pubescent above. Panicle open; oblong; interrupted; dense; 5-10 cm long; 3-4 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels ciliate.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 6-10 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 6-10 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; shorter than spikelet. Lower glume elliptic; 5-7 mm long; 0.75-0.9 length of upper glume; membranous; without keels; 3-5 -veined. Lower glume apex acuminate. Upper glume elliptic; 6-8 mm long; 0.66-0.75 length of adjacent fertile lemma; membranous; without keels; 5-7 -veined. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 9-11 mm long; chartaceous; without keel; 5-7 -veined. Lemma surface smooth, or scaberulous; pubescent; hairy above. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn subapical; 3-4 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3. Ovary with a fleshy appendage above style insertion; pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; hairy at apex; apex fleshy. Hilum linear.
Distribution
Asia-temperate: Soviet Middle Asia, western Asia, and China.
Reference
Bromeae. Fl Iran 1995.

Native to:

Afghanistan, Iran, Kazakhstan, Kirgizstan, Mongolia, Tadzhikistan, Turkmenistan, Uzbekistan, Xinjiang

Bromus sewerzowii Regel appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Severtzov, N.A. [s.n.], Kazakhstan K000913746

First published in Trudy Imp. S.-Peterburgsk. Bot. Sada 7: 601 (1880)

Accepted by

  • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
  • Naderi, R., Rahiminejad, M.R., Assadi, M. & Saeidi, H. (2012). Notes on the genus Bromus L. (Poaceae) in Iran Iranian Journal of Botany 18: 42-46.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

Literature

Kew Backbone Distributions

  • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
  • Fedtschenko, B.A. & al. (1932). Flora Turkmenii 1: 1-340. Turkmenskoe gosudarstvennoe izd., Ashkhabad.
  • Merkodovich, N.A. (ed.) (1941). Flora Uzbekistana 1: 1-566. Izd-va Akademii nauk Uzbekskoi SSR, Tashkent.
  • Naderi, R., Rahiminejad, M.R., Assadi, M. & Saeidi, H. (2012). Notes on the genus Bromus L. (Poaceae) in Iran Iranian Journal of Botany 18: 42-46.
  • Ovczinnikov, P.N. (ed.) (1957). Flora Tadzhikskoi SSR 1: 1-547. Izd-vo Akademii nauk SSSR, Moskva.
  • Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
  • Roshevitz, R.J. & al. (eds.) (1950). Flora Kirgizskoi SSR 2: 1-315. Frunze : Izd-vo KirgizFAN SSSR.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

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

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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