Genus:
Hordeum L.

Hordeum murinum L.

This species is accepted, and its native range is Macaronesia, Europe, Medit. to Central Asia and W. Himalaya.

[GB]
Morphology General Habit
Annual; caespitose. Culms 6-60 cm long; 3-5 -noded. Leaf-sheath oral hairs lacking. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 0.5-1 mm long. Leaf-blades 2-20 cm long; 2-8 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 1; single; linear, or oblong; bilateral; 4-12 cm long. Rhachis fragile at the nodes; flattened. Spikelet packing broadside to rhachis. Rhachis internodes oblong; 3-3.5 mm long; falling with spikelet above. Spikelets in threes. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 2 in the cluster. Pedicels oblong.
Morphology Reproductive morphology Inflorescences Spikelets
Companion sterile spikelets well-developed; containing empty lemmas, or male; lanceolate; dorsally compressed; 7-11 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes subulate; 16-30 mm long; eciliate on margins, or ciliate on margins. Companion sterile spikelet lemmas 1; exserted from glumes; 7-11 mm long; 1-awned; with 10-40 mm long awn. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-12 mm long; falling entire; deciduous with accessory branch structures.
Sterile
Companion sterile spikelets well-developed; containing empty lemmas, or male; lanceolate; dorsally compressed; 7-11 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes subulate; 16-30 mm long; eciliate on margins, or ciliate on margins. Companion sterile spikelet lemmas 1; exserted from glumes; 7-11 mm long; 1-awned; with 10-40 mm long awn.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-12 mm long; falling entire; deciduous with accessory branch structures.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes collateral; similar; gaping. Lower glume subulate; 25-30 mm long; 1 length of upper glume. Lower glume margins ciliate. Upper glume subulate; 25-30 mm long. Upper glume margins ciliate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 7-12 mm long; coriaceous; without keel; 5 -veined. Lemma surface scabrous; rough above. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 18-50 mm long overall; limb scabrous.
Morphology Reproductive morphology Flowers
Anthers 3; 0.7-1.2 mm long. Ovary pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; ellipsoid; sulcate on hilar side; hairy at apex. Embryo 0.2 length of caryopsis. Hilum linear; 1 length of caryopsis.
Distribution
Europe: northern, central, southwestern, southeastern, and eastern. Africa: north, Macaronesia, and south. Asia-temperate: Soviet Middle Asia, Caucasus, western Asia, Arabia, and eastern Asia. Asia-tropical: India. Australasia: Australia and New Zealand. Pacific: south-central and north-central. North America: western Canada, northwest USA, northeast USA, southwest USA, south-central USA, southeast USA, and Mexico. South America: Mesoamericana, western South America, Brazil, and southern South America. Antarctic: Subantarctic islands.
Reference
Triticeae. CEH.

Native to:

Afghanistan, Albania, Algeria, Austria, Azores, Baleares, Belarus, Belgium, Bulgaria, Canary Is., Central European Rus, Corse, Cyprus, Czechoslovakia, East Aegean Is., East European Russia, Egypt, France, Germany, Greece, Gulf States, Hungary, Iran, Iraq, Italy, Kazakhstan, Kirgizstan, Kriti, Krym, Kuwait, Lebanon-Syria, Libya, Madeira, Morocco, Netherlands, North Caucasus, Pakistan, Palestine, Poland, Portugal, Romania, Sardegna, Saudi Arabia, Selvagens, Sicilia, Sinai, South European Russi, Spain, Switzerland, Tadzhikistan, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, Uzbekistan, West Himalaya, Yugoslavia

Introduced into:

Alabama, Alberta, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Bolivia, Brazil South, British Columbia, California, Cape Provinces, Chatham Is., Chile Central, Chile North, Chile South, Colorado, Connecticut, Delaware, Denmark, District of Columbia, Easter Is., Falkland Is., Georgia, Great Britain, Guatemala, Hawaii, Idaho, Ireland, Japan, Juan Fernández Is., Kermadec Is., Korea, KwaZulu-Natal, Lesotho, Maine, Maryland, Massachusetts, Mexican Pacific Is., Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Montana, Nevada, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Norfolk Is., North Carolina, North European Russi, Northern Territory, Norway, Oklahoma, Oregon, Pennsylvania, Peru, Queensland, South Australia, South Carolina, Sweden, Tanzania, Tasmania, Texas, Uruguay, Utah, Victoria, Virginia, Washington, Western Australia, Wyoming

Hordeum murinum L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Cope, T.A. [RBG 81], United Kingdom K000914551 Yes

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

Accepted by

  • (2021). https://doi.org/10.11646/phytotaxa.501.2.1 epublication.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286. Missouri Botanical Garden.
  • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.
  • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
  • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Meyer, F.K. (2011). Beiträge zur Flora von Albanien Haussknechtia, Beih. 15: 1-220.
  • Powell, A.M. & Worthington, R.D. (2018). Flowering plants of Trans-Pecos Texas and ajacent areas: 1-1444. BRIT Press.
  • Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
  • Valdés-Reyna, J. Villaseñor, J.L., Encina-Domínguez, J.A. & Oritz, E. (2015). The grass family (Poaceae) in Coahuila, Mexico: diversity and distribution Botanical Sciences 93: 119-129.
  • Werier, D. (2017). Catalogue of the Vascular plants of New York state Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.
  • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.
  • 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. Missouri Botanical Garden.

Literature

Kew Backbone Distributions

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  • Broughton, D.A. & McAdam, J.H. (2002). The non-native vascular flora of the Falkland islands Botanical Journal of Scotland 54: 153-190.
  • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
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  • Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
  • Valdés-Reyna, J. Villaseñor, J.L., Encina-Domínguez, J.A. & Oritz, E. (2015). The grass family (Poaceae) in Coahuila, Mexico: diversity and distribution Botanical Sciences 93: 119-129.
  • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.
  • 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. Missouri Botanical Garden.

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