1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus californicus (Bol. ex Thurb.) Gould

        This species is accepted, and its native range is California.

    [GB]
    Habit
    Perennial. Culms 100-200 cm long. Leaf-sheaths hispid. Ligule an eciliate membrane. Leaf-blades 10-20 mm wide. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 12-25 cm long. Spikelet packing broadside to rhachis; lax. Spikelets ascending; in pairs. Fertile spikelets sessile; 2 in the cluster.
    Spikelets
    Spikelets comprising 2-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes both absent or obscure, or one the lower absent or obscure; persistent. Upper glume subulate; 0-1 mm long; 1 -veined. Upper glume lateral veins absent.
    Florets
    Fertile lemma lanceolate; 9-11 mm long; coriaceous; without keel; 5 -veined. Lemma surface hispidulous. Lemma apex attenuate; awned; 1 -awned. Principal lemma awn 20 mm long overall.
    Flowers
    Lodicules 2. Anthers 3. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; hairy at apex.
    Distribution
    North America: southwest USA.
    Reference
    Triticeae. Man Gr US 1994.

    Distribution

    Native to:

    California

    Elymus californicus (Bol. ex Thurb.) Gould appears in other Kew resources:

    First published in Madroño 9: 127 (1947)

    Not accepted by

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

    Literature

    Kew Backbone Distributions
    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.

    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