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  1. Family: Poaceae Barnhart
    1. Arctophila (Rupr.) Andersson

      1. This genus is accepted, and its native range is Subarctic to Canada.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes elongated. Culms 15-80 cm long. Ligule an eciliate membrane.
    Inflorescences
    Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Pedicels linear, or oblong.
    Spikelets
    Spikelets comprising 2-6 fertile florets; without rhachilla extension, or with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 2.5-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose.
    Fertile
    Spikelets comprising 2-6 fertile florets; without rhachilla extension, or with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 2.5-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose.
    Glume
    Glumes persistent; shorter than spikelet. Lower glume ovate; 0.75 length of upper glume; membranous; 1-keeled; 1-3 -veined. Lower glume apex acute. Upper glume ovate; 0.9-1 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma oblong; membranous; much thinner above; keeled; 3 -veined. Lemma lateral veins obscure; less than two thirds length of lemma. Lemma apex erose; acute. Palea 0.75 length of lemma; 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp. Hilum elliptic.
    Distribution
    Europe, or Temperate Asia, or North America.

    Distribution

    Native to:

    Alaska, British Columbia, Finland, Greenland, Kamchatka, Khabarovsk, Krasnoyarsk, Labrador, Magadan, Manitoba, North European Russi, Northwest Territorie, Nunavut, Ontario, Québec, Svalbard, Sweden, West Siberia, Yakutskiya, Yukon

    Accepted Species

    Other Data

    Arctophila (Rupr.) Andersson appears in other Kew resources:

    Bibliography

    First published in Pl. Scand. 2: 48 (1852)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    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 2020. 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 2020. 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