1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum mystasipum Zuloaga & Morrone

        This species is accepted, and its native range is Brazil (Brasília D.F.).

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths persistent and investing base of culm; with compacted dead sheaths. Culms erect; 45-106 cm long. Culm-internodes terete; striate; distally glabrous. Culm-nodes glabrous. Leaf-sheaths 6-14 cm long; longer than adjacent culm internode; hirsute; outer margin hairy. Ligule a ciliate membrane; 0.8-1.2 mm long. Leaf-blades involute; 20-45 cm long; 3-5 mm wide; stiff. Leaf-blade surface scaberulous; rough abaxially; pilose; sparsely hairy; hairy adaxially. Leaf-blade margins scabrous; ciliate; hairy at base. Leaf-blade apex attenuate; muticous, or pungent.
    Inflorescences
    Inflorescence a panicle; comprising 10-20 fertile spikelets. Peduncle 30-70 cm long; glabrous. Panicle open; ovate; 9-20 cm long; 1-6 cm wide; bearing few spikelets. Primary panicle branches appressed, or ascending; simple; 6-12 cm long. Panicle axis scabrous; glabrous, or hispid. Panicle branches glabrous in axils, or bearded in axils. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels scabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 7.2-9.2 mm long; 2-2.4 mm wide; falling entire. Spikelet callus square; 0.5 mm long. Rhachilla internodes elongated between glumes.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 7.2-9.2 mm long; 2-2.4 mm wide; falling entire. Spikelet callus square; 0.5 mm long. Rhachilla internodes elongated between glumes.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 4.5-5.8 mm long; 0.5-0.75 length of spikelet; membranous; without keels; 7-9 -veined. Lower glume primary vein scabrous. Lower glume apex acute. Upper glume ovate; 6.8-8 mm long; 1 length of spikelet; membranous; without keels; 9-11 -veined. Upper glume primary vein scabrous. Upper glume apex acuminate.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 6-7.2 mm long; 1 length of spikelet; membranous; 7-9 -veined; acute. Palea of lower sterile floret 4.8-5.2 mm long; pilose; adorned on flanks. Fertile lemma elliptic; dorsally compressed; 4.8 mm long; 1.6 mm wide; indurate; yellow and black; suffused with last colour; without keel; 7 -veined. Lemma margins involute; ciliate; hairy at base. Palea involute; indurate.
    Flowers
    Anthers 3; 3 mm long.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 3.5 mm long. Embryo 0.5 length of caryopsis. Hilum punctiform.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1996.

    Distribution

    Native to:

    Brazil West-Central

    Panicum mystasipum Zuloaga & Morrone appears in other Kew resources:

    First published in Iheringia, Bot. 42: 14 (1993)

    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