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  1. Family: Poaceae Barnhart
    1. Elytrostachys McClure

      1. This genus is accepted, and its native range is Central America to Venezuela.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes short; pachymorph. Culms scandent; 500-1000-1500 cm long; woody. Culm-internodes terete. Culm-nodes flush with internodes (1/1). Lateral branches dendroid. Branch complement many; in a clump; with 1 branch dominant; thinner than stem. Culm-sheaths persistent (1/1); without auricles (1/1). Culm-sheath blade linear (1/1). Ligule an eciliate membrane (1), or absent (1). Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades deciduous at the ligule; lanceolate.
    Inflorescences
    Synflorescence bractiferous; scanty; with spathaceous subtending bracts; with axillary buds at base of spikelet. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension, or with diminished florets at the apex. Spikelets lanceolate; subterete; 14-25.25-40.8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes brief up to lowest fertile floret (1), or elongated below proximal fertile floret. Rhachilla elongation stout (1), or slender (1).
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension, or with diminished florets at the apex. Spikelets lanceolate; subterete; 14-25.25-40.8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes brief up to lowest fertile floret (1), or elongated below proximal fertile floret. Rhachilla elongation stout (1), or slender (1).
    Glume
    Glumes two, or several (1); persistent; shorter than spikelet (1), or reaching apex of florets (1). Lower glume lanceolate (1), or ovate (1); 0.7-0.75-0.8 length of upper glume; chartaceous; without keels; 13 -veined (1/1). Lower glume apex obtuse (1), or acute. Upper glume lanceolate (1), or elliptic (1); 1.1 length of adjacent fertile lemma; chartaceous; without keels; 19 -veined (1/1). Upper glume apex obtuse (1), or acute (1), or acuminate (1).
    Florets
    Fertile lemma lanceolate; chartaceous; without keel; 7 -veined (1/1). Lemma surface smooth (1), or granulose (1). Lemma apex acute. Palea 1 length of lemma; chartaceous; 6 -veined (1/1). Palea keels approximate. Apical sterile florets 0 in number (1), or 1 in number; barren; linear.
    Flowers
    Lodicules 3; glabrous (1), or ciliate (1). Anthers 6. Stigmas 2. Ovary umbonate; pubescent on apex (1/1).
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America.

    Images

    Distribution

    Native to:

    Colombia, Costa Rica, Honduras, Nicaragua, Panamá, Venezuela

    Accepted Species

    Other Data

    Elytrostachys McClure appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1990 Nee, M.H. [35044], Brazil K000947980

    Bibliography

    First published in J. Washington Acad. Sci. 32: 173 (1942)

    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

    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