1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum lepidulum Hitchc. & Chase

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

    [GB]
    Habit
    Perennial; culms solitary, or caespitose. Culms erect; 25-70 cm long; wiry. Culm-nodes pubescent. Lateral branches sparse. Leaves cauline. Leaf-sheaths as wide as blade at the collar; pilose; with tubercle-based hairs. Ligule a ciliate membrane; 2 mm long. Leaf-blades erect, or spreading; flat, or conduplicate; 7-30 cm long; 5-10 mm wide; glaucous. Leaf-blade surface glabrous, or pilose; hairy on both sides.
    Inflorescences
    Inflorescence a panicle; exserted, or embraced at base by subtending leaf. Peduncle scaberulous above; glabrous, or pilose above. Panicle open; elliptic; 7-20 cm long; 3-10 cm wide. Primary panicle branches ascending. Panicle branches flexuous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 4-4.2 mm long; 1.5 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 4-4.2 mm long; 1.5 mm wide; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5 length of spikelet; membranous; without keels; 5 -veined. Lower glume primary vein scabrous. Lower glume apex acuminate. Upper glume ovate; 1 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume primary vein scabrous. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 7-9 -veined; scabrous; rough on midvein (above); acute. Fertile lemma elliptic; dorsally compressed; 3-3.5 mm long; indurate; without keel. Lemma margins involute. Palea involute; indurate.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 2.3-2.5 mm long.
    Distribution
    North America: southwest USA, south-central USA, and Mexico.
    Reference
    Paniceae. N Amer Fl 1994.

    Distribution

    Native to:

    Mexico Central, Mexico Northeast, Mexico Southwest

    Panicum lepidulum Hitchc. & Chase appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hinton, G.B. [2010], México State K000476063

    First published in Contr. U.S. Natl. Herb. 15: 75 (1910)

    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.

    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.

    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.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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