1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis sachalinensis F.Schmidt

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

    [GB]
    Habit
    Perennial; caespitose. Cataphylls evident. Rhizomes short. Culms erect; 30-60 cm long; 0.8-1.2 mm diam.; 4-5 -noded. Culm-internodes antrorsely scabrous. Leaves cauline. Leaf-sheaths tight; smooth; glabrous on surface. Ligule an eciliate membrane; 1-1.5 mm long. Leaf-blades 10-30 cm long; 3-6 mm wide. Leaf-blade surface smooth.
    Inflorescences
    Inflorescence a panicle. Peduncle scaberulous above. Panicle open; lanceolate; 5-10 cm long; 1.5-2.5 cm wide. Primary panicle branches 2-6 -nate; 1-3.5 cm long. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 0.66-0.75 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 0.66-0.75 length of lemma.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; recurved at apex, or gaping. Lower glume lanceolate; 3-5 mm long; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 3.5-5.5 mm long; 1.4-1.8 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein scabrous. Upper glume apex acuminate.
    Florets
    Fertile lemma ovate; 2.5-3 mm long; membranous; without keel; 3-5 -veined. Lemma lateral veins extending close to apex. Lemma apex entire; obtuse; awned; 1 -awned. Principal lemma awn dorsal; arising 0.25-0.5 way up back of lemma; straight; 2-3 mm long overall; without a column.
    Flowers
    Lodicules 2. Anthers 3. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Asia-temperate: Soviet far east and eastern Asia.
    Reference
    Aveneae. Koyama 1994.

    Images

    Distribution

    Native to:

    Japan, Kamchatka, Khabarovsk, Kuril Is., Sakhalin

    Calamagrostis sachalinensis F.Schmidt appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Komarov, V.L. [s.n.], Kamchatka K000838301
    Schmidt, F. [s.n.], Poland K000838300

    First published in Reis. Amur-Land., Bot.: 202 (1868)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
    • 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
    • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
    • 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

    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