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

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

    [GB]
    Habit
    Annual. Culms decumbent; 5-25 cm long; rooting from lower nodes. Culm-internodes elliptical in section; 2-8 cm long; distally hirsute. Culm-nodes black; pubescent. Lateral branches ample; arising from lower culm. Leaf-sheaths 1-5 cm long; hirsute; outer margin hairy. Ligule a ciliate membrane; 0.4 mm long. Collar pilose. Leaf-blade base amplexicaul. Leaf-blades lanceolate, or oblong; 1.5-9 cm long; 8-28 mm wide. Leaf-blade midrib indistinct. Leaf-blade surface pilose; with tubercle-based hairs. Leaf-blade margins ciliate.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Axillary inflorescences similar to terminal. Peduncle 5-7.5 cm long; pilose above. Panicle open; ovate; effuse; 2-7 cm long; 1-5 cm wide. Panicle axis tuberculate; pilose. Panicle branches flexuous; with scattered hairs, or glabrous; pubescent in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels smooth; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 1.5-1.7 mm long; 0.7-0.8 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 1.5-1.7 mm long; 0.7-0.8 mm wide; falling entire.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; not clasping; 0.3-0.4 mm long; 0.2-0.25 length of spikelet; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex truncate. Upper glume elliptic; 0.9 length of spikelet; membranous; without keels; 5(-7) -veined. Upper glume lateral veins obscure. Upper glume surface pilose. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 5 -veined; obscurely veined; pilose; obtuse. Palea of lower sterile floret 0.9 mm long. Fertile lemma elliptic; dorsally compressed; 1.4-1.5 mm long; 0.5-0.7 mm wide; indurate; shiny; without keel. Lemma margins involute. Lemma apex apiculate. Palea involute; indurate.
    Fruits
    Caryopsis with adherent pericarp; obovoid. Embryo 0.33 length of caryopsis. Hilum punctiform.
    Distribution
    South America: Caribbean, western South America, and Brazil.
    Reference
    Paniceae. Zuloaga 1994.

    Images

    Distribution

    Native to:

    Brazil Northeast, Brazil South, Brazil Southeast, Trinidad-Tobago

    Panicum sciurotis Trin. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Salzmann [s.n.], Bahia K000003642 isotype
    Salzmann [s.n.], Bahia K000003643 isotype
    Salzmann [0], Bahia K000003644 isotype
    Salzmann [s.n.], Bahia K000309237
    Riedel [s.n.], Brazil K001101889

    First published in Gram. Panic.: 228 (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
    • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots' Phytotaxa 250: 1-431.
    • 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