1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum leptachne Döll

        This species is accepted, and its native range is SE. & S. Brazil.

    [GB]
    Habit
    Perennial. Culms erect. Culm-nodes brown; glabrous, or pubescent. Lateral branches lacking. Leaf-sheaths 11-14 cm long; longer than adjacent culm internode; reticulately veined; glabrous on surface, or puberulous; with tubercle-based hairs. Ligule an eciliate membrane; 0.8-1 mm long; lacerate. Leaf-blade base cordate; with a brief petiole-like connection to sheath; petiole pubescent. Leaf-blades lanceolate; 13-22 cm long; 18-25 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Peduncle 10 cm long. Racemes numerous; borne along a central axis; unilateral; 1-6 cm long. Central inflorescence axis 25-40 cm long. Rhachis tuberculate on margins; ciliate on margins. Spikelets in pairs. Fertile spikelets pedicelled. Pedicels oblong; 0.2-0.5 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.1-3.2 mm long; 0.5-0.8 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.1-3.2 mm long; 0.5-0.8 mm wide; falling entire.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 1-2 mm long; 0.2-0.5 length of spikelet; membranous; 1-keeled; 3(-5) -veined. Lower glume primary vein scabrous. Lower glume apex acute. Upper glume elliptic; 0.8 length of spikelet; membranous; without keels; 5(-7) -veined. Upper glume apex acute.
    Florets
    Basal sterile florets male, or barren; with palea, or without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 1-keeled; 3(-5) -veined; scabrous; rough on midvein; acute. Palea of lower sterile floret 0-0.8 length of lemma. Fertile lemma elliptic; dorsally compressed; 1.8-2.5 mm long; chartaceous; light brown; without keel; 5 -veined. Lemma margins involute. Lemma apex acute; scabrous. Palea involute; chartaceous.
    Fruits
    Caryopsis obovoid. Embryo 0.33 length of caryopsis. Hilum elliptic.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1994.

    Images

    Distribution

    Native to:

    Brazil South, Brazil Southeast

    Panicum leptachne Döll appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hatschbach, G. [13727], Brazil K001101798
    Burchell, W.J. [4355], Brazil K001101799
    Burchell [4355/2], Brazil K001101800

    First published in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 2(1): 195 (1877)

    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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.

    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 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