1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus coreanus Honda

        This species is accepted, and its native range is S. Russian Far East to Korea.

    [GB]
    Habit
    Perennial; culms solitary. Rhizomes short. Butt sheaths pubescent. Culms erect; 60-110 cm long; 3-4 -noded. Culm-internodes distally glabrous. Leaves basal and cauline. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 1 mm long; truncate. Leaf-blades linear, or lanceolate; 15-47 cm long; 6-11 mm wide. Leaf-blade surface scabrous; rough on both sides; pubescent; sparsely hairy, or moderately hairy; hairy adaxially.
    Inflorescences
    Inflorescence composed of racemes. Peduncle pubescent above, or pilose above. Racemes 1; single; straight, or arcuate; bilateral; 8-13 cm long; 10 mm wide. Rhachis pubescent on surface. Spikelet packing broadside to rhachis; lax. Spikelets in pairs. Fertile spikelets sessile; 2 in the cluster.
    Spikelets
    Spikelets comprising 2-5 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 12-20 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Rhachilla internodes scaberulous.
    Fertile
    Spikelets comprising 2-5 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 12-20 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Rhachilla internodes scaberulous.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume subulate; 7-8 mm long; 0.75-0.8 length of upper glume; 1 -veined. Lower glume lateral veins absent. Lower glume surface scabrous. Upper glume subulate; 8.5-10 mm long; 1 -veined. Upper glume lateral veins absent.
    Florets
    Fertile lemma lanceolate, or elliptic; 9-11 mm long; coriaceous; without keel; 5-7 -veined. Lemma surface scaberulous; glabrous. Lemma apex attenuate; awned; 1 -awned. Principal lemma awn 2-3 mm long overall. Palea 8-10 mm long; 0.9 length of lemma. Palea keels ciliolate. Palea apex dentate; 2 -fid.
    Flowers
    Lodicules 2. Anthers 3; 6-7 mm long. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; hairy at apex.
    Distribution
    Asia-temperate: Soviet far east, China, and eastern Asia.
    Reference
    Triticeae. Koyama 1994.

    Distribution

    Native to:

    Korea, Manchuria, Primorye

    Elymus coreanus Honda appears in other Kew resources:

    First published in J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 3: 17 (1930)

    Not accepted by

    • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919. [Cited as Hystrix coreana.]

    Literature

    Kew Backbone Distributions
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
    • 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.

    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