1. Family: Poaceae Barnhart
    1. Genus: Hordeum L.
      1. Hordeum jubatum L.

        This species is accepted, and its native range is Siberia to Caucasus and NE. China, N. America.

    [GB]
    Habit
    Perennial; short-lived; caespitose. Culms erect, or geniculately ascending; 30-75 cm long. Culm-nodes brown. Ligule an eciliate membrane; 0.2-0.5 mm long; truncate. Leaf-blades 6-15 cm long; 2-4 mm wide. Leaf-blade surface scabrous; glabrous, or pubescent.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; linear; bilateral; 4-10 cm long; 4-6 mm wide. Rhachis fragile at the nodes; flattened. Spikelet packing broadside to rhachis. Rhachis internodes oblong; falling with spikelet above. Spikelets in threes. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 2 in the cluster. Pedicels oblong.
    Spikelets
    Companion sterile spikelets well-developed; comprising 2 subequal glumes without lemmas, or containing empty lemmas; linear; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes subulate; 35-80 mm long. Companion sterile spikelet lemmas 0-1; 0.5 mm long; 1-awned; with 35-80 mm long awn. Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 4-7 mm long; falling entire; deciduous with accessory branch structures.
    Sterile
    Companion sterile spikelets well-developed; comprising 2 subequal glumes without lemmas, or containing empty lemmas; linear; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes subulate; 35-80 mm long. Companion sterile spikelet lemmas 0-1; 0.5 mm long; 1-awned; with 35-80 mm long awn.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 4-7 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes collateral; similar; shorter than spikelet; gaping. Lower glume subulate; 35-80 mm long; 1 length of upper glume. Lower glume surface scabrous. Upper glume subulate; 35-80 mm long. Upper glume surface scabrous.
    Florets
    Fertile lemma lanceolate; 4-7 mm long; coriaceous; without keel; 5 -veined. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 35-80 mm long overall.
    Flowers
    Anthers 3. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; hairy at apex. Hilum linear.
    Distribution
    Europe: northern, central, and eastern. Asia-temperate: Siberia, Soviet far east, Soviet Middle Asia, Caucasus, and China. Australasia: New Zealand. North America: Subarctic, eastern Canada, northwest USA, north-central USA, northeast USA, southwest USA, south-central USA, southeast USA, and Mexico. South America: southern South America. Antarctic: Subantarctic islands.
    Reference
    Triticeae. Gr Texas 1994.

    Images

    Distribution

    Native to:

    Alaska, Alberta, Altay, Amur, Arizona, Arkansas, British Columbia, Buryatiya, California, Colorado, Connecticut, Delaware, District of Columbia, Idaho, Illinois, Indiana, Iowa, Irkutsk, Kamchatka, Kansas, Kentucky, Khabarovsk, Krasnoyarsk, Kuril Is., Labrador, Magadan, Maine, Manchuria, Manitoba, Maryland, Masachusettes, Mexico Central, Mexico Northeast, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Carolina, North Caucasus, North Dakota, Northwest Territorie, Nova Scotia, Nunavut, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Primorye, Prince Edward I., Québec, Rhode I., Sakhalin, Saskatchewan, South Carolina, South Dakota, Tadzhikistan, Tennessee, Texas, Transcaucasus, Utah, Uzbekistan, Vermont, Virginia, Washington, West Siberia, West Virginia, Wisconsin, Wyoming, Yakutskiya, Yukon

    Introduced into:

    Argentina Northeast, Argentina Northwest, Argentina South, Austria, Belgium, Central European Rus, Chile South, Czechoslovakia, Denmark, East European Russia, Falkland Is., Finland, Germany, Great Britain, Italy, Korea, Lesotho, Netherlands, New Zealand South, North European Russi, Northwest European R, Norway, South European Russi, Sweden, Switzerland, Ukraine

    Hordeum jubatum L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Cope, T.A. [RBG 499], United Kingdom K000914552

    First published in Sp. Pl.: 85 (1753)

    Accepted by

    • Berry, M. (2018). Adventives and aliens news 14 BSBI News 138: 46-51.
    • Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps Neilreichia 9: 177-245.
    • Gillespie, L.J. & al. (2015). New vascular plant records for the Canadian Arctic Archipelago PhytoKeys 52: 23-79.
    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • Krasnoborov, I.M. & Armemov, I.A. (2012). Opredelitel' Rasteni? Respublika Alta?: 1-640. Novosibirsk: Izd-vo SO RAN.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • 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.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions
    • Berry, M. (2018). Adventives and aliens news 14 BSBI News 138: 46-51.
    • Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps Neilreichia 9: 177-245.
    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • Danihelka, J. Chrtek, J. & Kaplan, Z. (2012). Checklist of vascular plants of the Czech Republic Preslia. Casopsi Ceské Botanické Spolecnosti 84: 647-811.
    • Krasnoborov, I.M. & Armemov, I.A. (2012). Opredelitel' Rasteni? Respublika Alta?: 1-640. Novosibirsk: Izd-vo SO RAN.
    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Broughton, D.A. & McAdam, J.H. (2002). The non-native vascular flora of the Falkland islands Botanical Journal of Scotland 54: 153-190.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • 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.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
    • Ovczinnikov, P.N. (ed.) (1957). Flora Tadzhikskoi SSR 1: 1-547. Izd-vo Akademii nauk SSSR, Moskva.
    • Merkodovich, N.A. (ed.) (1941). Flora Uzbekistana 1: 1-566. Izd-va Akademii nauk Uzbekskoi SSR, Tashkent.

    Sources

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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    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 2019. 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 2019. 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

    Kew Science Photographs
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/