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This species is accepted, and its native range is Subarctic to N. Japan and N. & W. Central U.S.A.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial. Rhizomes elongated. Culms 20-100 cm long. Ligule an eciliate membrane. Leaf-blades 3-8 mm wide. Leaf-blade surface glabrous, or pubescent; sparsely hairy.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; lanceolate; 3-15 cm long. Primary panicle branches bearing 1-2 fertile spikelets on each lower branch. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 4-8 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 12-25 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 4-8 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 12-25 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; shorter than spikelet. Lower glume lanceolate; 5-8 mm long; 0.75 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 7-10 mm long; 0.75 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 10-13 mm long; chartaceous; without keel; 5-7 -veined. Lemma surface pubescent; hairy at base. Lemma margins ciliate. Lemma apex acute; awned; 1 -awned. Principal lemma awn subapical; 1.5-3 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 2-4 mm long. 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
Europe: eastern. Asia-temperate: Siberia, Soviet far east, China, and Mongolia. North America: Subarctic, northwest USA, north-central USA, and northeast USA.
Reference
Bromeae. Fl Eur 1995.

Native to:

Alaska, Alberta, Altay, Amur, British Columbia, Buryatiya, China North-Central, Chita, Colorado, East European Russia, Idaho, Inner Mongolia, Irkutsk, Japan, Kamchatka, Kazakhstan, Khabarovsk, Korea, Krasnoyarsk, Kuril Is., Labrador, Magadan, Maine, Manchuria, Manitoba, Massachusetts, Michigan, Mongolia, Montana, New Mexico, New York, Newfoundland, North European Russi, Northwest Territorie, Nunavut, Ontario, Oregon, Primorye, Québec, Sakhalin, Saskatchewan, Tuva, Washington, West Siberia, Wyoming, Xinjiang, Yakutskiya, Yukon

Introduced into:

Austria

Bromus pumpellianus Scribn. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Mar 1, 1950 Richardson, J. [211], Saskatchewan K000913849
Mar 1, 1950 Richardson, J. [s.n.] K000913850
Scribner, F.L. [418], Montana K000913851
Komarov, V.L. [s.n.], Kamchatka K000913756

First published in Bull. Torrey Bot. Club 15: 9 (1888)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

Literature

Kew Backbone Distributions

  • Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps Neilreichia 9: 177-245.
  • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
  • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
  • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
  • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
  • Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
  • 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
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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