1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum congestum Renvoize

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 30-50 cm long. Culm-internodes unequal, the lower longer; distally hirsute. Culm-nodes brown; pubescent. Lateral branches ample; arising from upper culm. Leaf-sheaths hirsute. Ligule a ciliate membrane; 1 mm long. Collar pubescent. Leaf-blades linear, or lanceolate; 1.5-5 cm long; 2-4 mm wide. Leaf-blade surface hirsute; hairy on both sides. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle; comprising 2-3(-9) fertile spikelets; embraced at base by subtending leaf. Peduncle 0.4 cm long. Panicle contracted; linear; 2 cm long; bearing few spikelets. Panicle axis pilose. Panicle branches pilose. Spikelets solitary. Fertile spikelets pedicelled. Pedicels villous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.8-3.2 mm long; 1 mm wide; falling entire. Rhachilla internodes elongated between glumes.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.8-3.2 mm long; 1 mm wide; falling entire. Rhachilla internodes elongated between glumes.
    Glume
    Glumes similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 2.2-2.6 mm long; 0.75 length of spikelet; membranous; without keels; 5-7 -veined. Lower glume surface pilose. Lower glume apex acute. Upper glume elliptic; 2.5 mm long; 0.9 length of spikelet; membranous; without keels; 9 -veined. Upper glume surface pilose. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 9 -veined; pilose; acute. Palea of lower sterile floret 0.66 length of lemma. Fertile lemma elliptic; dorsally compressed; 2.4 mm long; 0.8 mm wide; indurate; without keel; 5 -veined. Lemma surface papillose. Lemma margins involute. Lemma apex apiculate; pubescent. Palea involute; indurate.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; light brown. Embryo 0.33 length of caryopsis. Hilum elliptic.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1994.

    Images

    Distribution

    Native to:

    Brazil Northeast

    Panicum congestum Renvoize appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Harley, R.M. [16869], Bahia K000003500 isotype

    First published in Kew Bull. 37: 329 (1982)

    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