1. Family: Poaceae Barnhart
    1. Genus: Orcuttia Vasey
      1. Orcuttia californica Vasey

        This species is accepted, and its native range is S. California to Mexico (Baja California).

    [GB]
    Habit
    Annual; caespitose. Culms prostrate; 5-15(-20) cm long. Leaves without demarcation between sheath and blade. Leaf-sheaths viscid. Ligule absent. Leaf-blades 1-2 cm long; 2-3 mm wide; viscid; aromatic. Leaf-blade surface pilose; sparsely hairy.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 3-6 cm long. Rhachis angular; pubescent on surface. Spikelet packing broadside to rhachis; distant (below). Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 5-15(-25) fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 5-12 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 5-15(-25) fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 5-12 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2-3(-4) mm long; 1 length of upper glume; chartaceous; without keels; 5-9 -veined. Lower glume apex dentate; 2-5 -fid. Upper glume lanceolate; 2-3(-4) mm long; 0.5-0.75 length of adjacent fertile lemma; chartaceous; without keels; 5-9 -veined. Upper glume apex dentate; 2-5 -fid.
    Florets
    Fertile lemma oblong; 5 mm long; chartaceous; keeled; 15 -veined. Lemma lateral veins prominent. Lemma apex lobed; 5 -fid; with simple equal lobes; incised 0.33 of lemma length; mucronate; 5 -awned (mucros). Palea 1 length of lemma; 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules absent. Anthers 3; 2 mm long. Stigmas 2; sparsely hairy.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; laterally compressed; 1.5-1.8 mm long; dark brown. Embryo 0.75 length of caryopsis.
    Distribution
    North America: southwest USA and Mexico.
    Reference
    Orcuttieae. Reeder.

    Images

    Distribution

    Native to:

    California, Mexico Northwest

    Orcuttia californica Vasey appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Orcutt, C.R. [s.n.], USA K000912324

    First published in Bull. Torrey Bot. Club 13: 219 (1886)

    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.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    Literature

    Kew Backbone Distributions
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    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 2018. 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 2018. 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