1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca sibirica Hack. ex Boiss.

        This species is accepted, and its native range is Siberia to N. China, Afghanistan to Nepal.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 20-45 cm long. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 1 mm long. Leaf-blades 20-40 cm long; 2-4 mm wide; grey-green. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Dioecious. Inflorescence a panicle. Panicle contracted; linear, or oblong; 3-7 cm long. Primary panicle branches 1-2 -nate. Spikelets solitary. Fertile spikelets pedicelled. Male inflorescence similar to female; a panicle. Male spikelets resembling female.
    Spikelets
    Spikelets comprising 3-4(-5) fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous.
    Fertile
    Spikelets comprising 3-4(-5) fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous.
    Glume
    Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 3.5-4 mm long; 0.8-0.9 length of upper glume; hyaline; pallid; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 4-5 mm long; 0.6-0.7 length of adjacent fertile lemma; hyaline; 1-keeled; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 7-7.5 mm long; membranous; much thinner above; keeled; 5 -veined. Lemma surface pubescent. Lemma apex acute; muticous. Palea 1 length of lemma; 2 -veined. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; hairy at apex. Hilum linear.
    Male
    Male inflorescence similar to female; a panicle. Male spikelets resembling female.
    Distribution
    Asia-temperate: Siberia, Soviet far east, western Asia, China, and Mongolia. Asia-tropical: India.
    Reference
    Poeae. WDC.

    Distribution

    Native to:

    Afghanistan, Buryatiya, Chita, Inner Mongolia, Irkutsk, Kamchatka, Kazakhstan, Khabarovsk, Kirgizstan, Krasnoyarsk, Magadan, Manchuria, Mongolia, Nepal, Pakistan, Tadzhikistan, Tuva, Uzbekistan, Yakutskiya

    Festuca sibirica Hack. ex Boiss. appears in other Kew resources:

    First published in Fl. Orient. 5: 626 (1884)

    Accepted by

    • 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.
    • 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.

    Literature

    Kew Backbone Distributions
    • Marhold, K. (ed.) (2012). IAPT/IOPB chromosome data 13 Taxon 61: 889-902.
    • 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.
    • 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.
    • 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.
    • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.

    Sources

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