1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum soderstromii Zuloaga & Send.

        This species is accepted, and its native range is Brazil (Bahia).

    [GB]
    Habit
    Perennial; caespitose. Cataphylls evident. Glands sunken crateriform. Culms erect; robust; 45-95 cm long. Culm-internodes terete; thin-walled, or solid; striate; distally pilose. Culm-nodes constricted; brown; pubescent. Lateral branches ample; arising from mid culm and upper culm. Leaf-sheaths tight; longer than adjacent culm internode; pilose; with tubercle-based hairs. Ligule a ciliate membrane; 0.5 mm long. Collar dark; pubescent. Leaf-blade base broadly rounded; with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 2-13 cm long; 7-13 mm wide; stiff. Leaf-blade midrib indistinct. Leaf-blade surface pubescent; hairy on both sides. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Racemes numerous; borne along a central axis; ascending; unilateral; 1-5 cm long. Central inflorescence axis 8-18 cm long; puberulous. Rhachis angular. Raceme-bases pilose. Spikelets in pairs. Fertile spikelets pedicelled. Pedicels unequal; bearing a few hairs; hairy at tip.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2-2.8 mm long; 1-1.5 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2-2.8 mm long; 1-1.5 mm wide; falling entire.
    Glume
    Glumes similar; shorter than spikelet; thinner than fertile lemma; gaping. Lower glume ovate; 0.5-0.75 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface asperulous; pilose; hairy at apex. Lower glume apex acute. Upper glume ovate; 0.9 length of spikelet; membranous; without keels; 3-5 -veined. Upper glume surface asperulous. Upper glume margins ciliate. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; glandular (2-4 glands); 5 -veined; scaberulous; ciliate on margins; acute. Palea of lower sterile floret pilose (at tip). Fertile lemma ovate; dorsally compressed; 1.1-1.4 mm long; 0.4-0.7 mm wide; indurate; yellow, or dark brown; shiny; without keel. Lemma margins involute. Palea involute; indurate.
    Flowers
    Anthers 3; 0.8-1.1 mm long.
    Fruits
    Caryopsis with adherent pericarp; ovoid; 1.5 mm long; yellow. Embryo 0.33 length of caryopsis. Hilum elliptic.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1996.

    Distribution

    Native to:

    Brazil Northeast

    Panicum soderstromii Zuloaga & Send. appears in other Kew resources:

    First published in Ann. Missouri Bot. Gard. 75: 446 (1988)

    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

    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