1. Family: Poaceae Barnhart
    1. Otatea (McClure & E.W.Sm.) C.E.Calderón ex Soderstr.

      1. This genus is accepted, and its native range is Mexico to Colombia.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes short; pachymorph. Culms erect; 200-468.6-1040 cm long; woody. Culm-internodes terete. Culm-nodes with distinct supra-nodal ridge (5/5). Lateral branches dendroid. Branch complement one (3), or two (2), or three (5); in a horizontal line (1/1); with subequal branches (6/7), or 1 branch dominant (1/7). Culm-sheaths persistent (2/5), or deciduous but leaving a persistent girdle (1/5), or deciduous (2/5); without auricles (2/2). Culm-sheath blade linear (1), or lanceolate (1), or triangular (6); constricted at base (1/3), or narrower than sheath (1/3), or as wide as sheath at base (1/3). Ligule an eciliate membrane (7), or a ciliolate membrane (1). Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades persistent (5), or deciduous at the ligule (3); filiform (1), or linear (4), or lanceolate (5). Leaf-blade venation without cross veins (7), or with obscure cross veins (1).
    Inflorescences
    Inflorescence a panicle (5/5). Panicle open (5/5). Spikelets solitary (5/5). Fertile spikelets pedicelled (5/5).
    Spikelets
    Spikelets comprising 3 fertile florets (5/5), or 4 fertile florets (4/5), or 5 fertile florets (3/5), or 6-7 fertile florets (1/5); with diminished florets at the apex (5/5). Spikelets linear (3/5), or oblong (2/5); laterally compressed (5/5); 9-23.9-40 mm long; breaking up at maturity (5/5); disarticulating below each fertile floret (5/5). Rhachilla internodes glabrous (3/5), or pubescent (2/5).
    Fertile
    Spikelets comprising 3 fertile florets (5/5), or 4 fertile florets (4/5), or 5 fertile florets (3/5), or 6-7 fertile florets (1/5); with diminished florets at the apex (5/5). Spikelets linear (3/5), or oblong (2/5); laterally compressed (5/5); 9-23.9-40 mm long; breaking up at maturity (5/5); disarticulating below each fertile floret (5/5). Rhachilla internodes glabrous (3/5), or pubescent (2/5).
    Glume
    Glumes persistent (5/5); shorter than spikelet (5/5). Lower glume lanceolate (3/5), or ovate (2/5); herbaceous (5/5); without keels (5/5); 3 -veined (1/5), or 5 -veined (2/5), or 7 -veined (2/5), or 8-9 -veined (1/5). Lower glume surface smooth (4/5), or scabrous (1/5). Lower glume apex attenuate (1/3), or setaceously attenuate (2/3); muticous (2/5), or awned (3/5). Upper glume lanceolate (3/5), or ovate (2/5); herbaceous (5/5); without keels (5/5); 2-6 -veined (1/5), or 7 -veined (4/5), or 9-11 -veined (1/5). Upper glume surface smooth (4/5), or scabrous (1/5). Upper glume apex acuminate (1/4), or setaceously attenuate (3/4); muticous (2/5), or mucronate (1/5), or awned (2/5); 1 -awned (3/3).
    Florets
    Fertile lemma lanceolate (3/5), or ovate (2/5); herbaceous (5/5); without keel (5/5); 9-10 -veined (3/5), or 11 -veined (5/5), or 12-15 -veined (2/5). Lemma surface asperulous (2/5), or scabrous (3/5). Lemma apex awned (5/5); 1 -awned (5/5). Palea 6 -veined (1/1). Palea keels separated (4/5), or contiguous above a sulcus (1/5); wingless (4/5), or winged (1/5); smooth (3/5), or scabrous (2/5). Palea surface glabrous (2/5), or pubescent (2/5), or pilose (1/5). Palea apex dentate (2/2). Apical sterile florets resembling fertile though underdeveloped (5/5).
    Flowers
    Lodicules 3 (5/5); membranous (3/3); glabrous (3/5), or ciliate (2/5). Anthers 3 (4/4). Stigmas 2 (1/3), or 3 (2/3). Ovary glabrous (5/5).
    Fruits
    Caryopsis with adherent pericarp (3/3); orbicular (1/1); trigonous (1/1); apex rostrate (1/1).
    Distribution
    North America, or South America (2).

    Images

    Distribution

    Native to:

    Colombia, El Salvador, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest

    Introduced into:

    Costa Rica

    Otatea (McClure & E.W.Sm.) C.E.Calderón ex Soderstr. appears in other Kew resources:

    First published in Smithsonian Contr. Bot. 44: 21 (1980)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database) The Board of Trustees of the Royal Botanic Gardens, Kew.

    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