1. Family: Poaceae Barnhart
    1. Genus: Poa L.
      1. Poa supina Schrad.

        This species is accepted, and its native range is Morocco, Europe to Mongolia and Himalaya.

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths herbaceous. Culms decumbent; 6-25 cm long. Culm-internodes terete; smooth. Lateral branches lacking. Leaves mostly basal. Ligule an eciliate membrane; 1-1.5 mm long; obtuse. Leaf-blades flat, or conduplicate; 1-7 cm long; 2-3 mm wide; flaccid. Leaf-blade margins scabrous. Leaf-blade apex abruptly acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; pyramidal; 2-3 cm long; with spikelets clustered towards branch tips. Primary panicle branches spreading; 1-2 -nate. Panicle branches smooth. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 3.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth. Floret callus glabrous.
    Fertile
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 3.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth. Floret callus glabrous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume oblong; 1.5-1.7 mm long; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic; 2-2.5 mm long; 0.75 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma ovate; elliptic in profile, or oblong in profile; 2.5-3.5 mm long; membranous; keeled; 5 -veined. Lemma midvein ciliate. Lemma margins ciliate. Lemma apex obtuse. Palea 0.9 length of lemma. Palea keels scabrous; ciliolate; adorned all along. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3; (1.2-)1.6-2(-2.5) mm long.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform.
    Distribution
    Europe: northern, central, southwestern, southeastern, and eastern. Asia-temperate: Siberia, Soviet Middle Asia, western Asia, China, and Mongolia. Asia-tropical: India. South America: western South America.
    Reference
    Poeae. Fl Pak.

    Images

    Distribution

    Doubtfully present in:

    Hungary, Iran

    Native to:

    Afghanistan, Altay, Austria, Belarus, Buryatiya, China South-Central, Chita, Corse, Czechoslovakia, Denmark, East European Russia, East Himalaya, Finland, France, Germany, Irkutsk, Italy, Krasnoyarsk, Mongolia, Morocco, Nepal, North Caucasus, North European Russi, Norway, Pakistan, Poland, Romania, Spain, Sweden, Switzerland, Tadzhikistan, Tibet, Transcaucasus, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, West Himalaya, West Siberia, Xinjiang, Yakutskiya, Yugoslavia

    Introduced into:

    Baltic States, Central European Rus, Kamchatka, Khabarovsk, Magadan, Northwest European R

    Poa supina Schrad. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1806 Duthie, J.F. [s.n.], India K000032212 Unknown type material
    Inayat [20352], India K000633902

    First published in Fl. Germ.: 289 (1806)

    Accepted by

    • Krasnoborov, I.M. & Armemov, I.A. (2012). Opredelitel' Rasteni? Respublika Alta?: 1-640. Novosibirsk: Izd-vo SO RAN.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • 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.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
    • 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.
    • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions
    • Kavousi, M., Assadi, M. & Nejadsattari, T. (2015). Taxonomic revision of the genus Poa L. in Iran, new additions to Flora Iranica, and a new identification key Turkish Journal of Botany 39: 105-127.
    • Marhold, K. (ed.) (2012). IAPT/IOPB chromosome data 13 Taxon 61: 889-902.
    • Marhold, K. (ed.) (2012). IAPT/IOPB chromosome data 14 Taxon 61: 1336-1345.
    • Krasnoborov, I.M. & Armemov, I.A. (2012). Opredelitel' Rasteni? Respublika Alta?: 1-640. Novosibirsk: Izd-vo SO RAN.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • 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.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
    • 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.
    • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
    • Ovczinnikov, P.N. (ed.) (1957). Flora Tadzhikskoi SSR 1: 1-547. Izd-vo Akademii nauk SSSR, Moskva.

    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