1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum brachystachyum Trin.

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

    [GB]
    Habit
    Perennial. Culms erect; 18-35 cm long. Culm-internodes terete; distally pilose. Culm-nodes pallid; glabrous, or pubescent. Leaf-sheaths pilose; outer margin hairy. Leaf-sheath auricles erect. Ligule a ciliate membrane; 0.3-0.4 mm long. Leaf-blade base simple, or cordate. Leaf-blades lanceolate; flat, or involute; 3-4.5 cm long; 2-3 mm wide. Leaf-blade midrib indistinct. Leaf-blade margins scabrous; ciliate. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Peduncle hispid above. Racemes 2-4; borne along a central axis; unilateral; 1-4 cm long. Central inflorescence axis flattened; hispid. Rhachis angular; glabrous on surface, or hirsute on surface; scabrous on margins. Spikelets in pairs. Fertile spikelets pedicelled. Pedicels unequal; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 4.9-5.2 mm long; 3.5 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 4.9-5.2 mm long; 3.5 mm wide; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume ovate; 2.8-3 mm long; 0.33-0.5 length of spikelet; membranous; without keels; 1-3 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent, or obscure. Lower glume surface pilose; with tubercle-based hairs. Lower glume apex acuminate. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface pilose; with tubercle-based hairs. Upper glume apex acute, or acuminate.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; much thinner on margins; 3-5 -veined; pilose; with tubercle-based hairs; acute, or acuminate. Palea of lower sterile floret 3.9-4.5 mm long; pilose; adorned on flanks. Fertile lemma lanceolate; dorsally compressed; 4-4.4 mm long; 1.2 mm wide; cartilaginous; pallid, or yellow; keeled; lightly keeled; 3-5 -veined. Lemma margins involute. Lemma apex acute, or acuminate. Palea involute; indurate.
    Flowers
    Lodicules 2; cuneate; 0.5 mm long. Anthers 3; 3.2 mm long; purple.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1996.

    Distribution

    Native to:

    Brazil Southeast

    Panicum brachystachyum Trin. appears in other Kew resources:

    First published in Gram. Panic.: 138 (1826)

    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