1. Family: Poaceae Barnhart
    1. Genus: Schizachne Hack.
      1. Schizachne purpurascens (Torr.) Swallen

        This species is accepted, and its native range is E. Europe to Temp. Asia, Subarctic America to U.S.A.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 35-50 cm long; 0.7-1.5 mm diam.; 3-5 -noded. Leaf-sheaths open for most of their length; with 0.25-0.5 of their length closed. Ligule an eciliate membrane; 1.5-2.5 mm long. Leaf-blades conduplicate, or involute; 5-20 cm long; 1-2 mm wide. Leaf-blade venation with obscure cross veins. Leaf-blade surface pubescent; sparsely hairy; hairy adaxially.
    Inflorescences
    Inflorescence a panicle; comprising 5-10 fertile spikelets. Panicle open; lanceolate; nodding; 5-8 cm long; 1-2 cm wide; bearing few spikelets. Primary panicle branches indistinct the panicle almost racemose. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 3-15 mm long; scabrous.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2 mm long. Floret callus evident; bearded. Floret callus hairs 0.2 length of lemma.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 2 mm long. Floret callus evident; bearded. Floret callus hairs 0.2 length of lemma.
    Glume
    Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 3-5 mm long; 0.6 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume apex acute. Upper glume ovate; 5-8 mm long; 0.6 length of adjacent fertile lemma; membranous; 1-keeled; 5 -veined. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 8-11 mm long; herbaceous; much thinner on margins; keeled; 7 -veined. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn subapical; 12-20 mm long overall; limb scabrous. Palea oblong; 0.6 length of lemma; 2 -veined. Palea keels ciliate; adorned above. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; united; oblong; fleshy; truncate. Anthers 3; 1.5-2 mm long.
    Distribution
    Europe: eastern. Asia-temperate: Siberia, Soviet far east, China, and eastern Asia. North America: Subarctic, western Canada, eastern Canada, northwest USA, north-central USA, northeast USA, south-central USA, and southeast USA.
    Reference
    Meliceae. Koyama.

    Images

    Distribution

    Native to:

    Alaska, Alberta, Altay, Amur, British Columbia, Buryatiya, China North-Central, China South-Central, China Southeast, Chita, Colorado, Connecticut, East European Russia, Florida, Illinois, Indiana, Iowa, Irkutsk, Kamchatka, Kazakhstan, Kentucky, Khabarovsk, Korea, Krasnoyarsk, Kuril Is., Labrador, Maine, Manchuria, Manitoba, Maryland, Masachusettes, Michigan, Minnesota, Mongolia, Montana, Nebraska, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Dakota, North European Russi, Northwest Territorie, Nova Scotia, Ohio, Ontario, Pennsylvania, Primorye, Prince Edward I., Québec, Rhode I., Sakhalin, Saskatchewan, South Dakota, Tuva, Utah, Vermont, Virginia, West Siberia, West Virginia, Wisconsin, Wyoming, Yakutskiya, Yukon

    Schizachne purpurascens (Torr.) Swallen appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Collins, J.F. [26], Québec K000808496 isotype

    First published in J. Washington Acad. Sci. 18: 204 (1928)

    Accepted by

    • 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.
    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.

    Literature

    Kew Backbone Distributions
    • Marhold, K. (ed.) (2012). IAPT/IOPB chromosome data 14 Taxon 61: 1336-1345.
    • 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.
    • 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.
    • 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.

    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 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