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

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

    [GB]
    Habit
    Perennial. Rhizomes short. Culms decumbent; 80 cm long; rooting from lower nodes. Culm-internodes elliptical in section; 7-12 cm long; distally glabrous. Culm-nodes constricted; brown; glabrous. Leaf-sheaths 5-9 cm long; glabrous on surface; outer margin hairy. Ligule a ciliate membrane; 0.3 mm long. Collar pubescent. Leaf-blade base amplexicaul. Leaf-blades lanceolate, or oblong; 7-15 cm long; 15-30 mm wide. Leaf-blade surface pubescent. Leaf-blade margins ciliate. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; effuse; 1.5 cm long; 8 cm wide. Primary panicle branches not whorled. Panicle axis eglandular; with scattered hairs. Panicle branches flexuous; scabrous; pubescent in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels clavate; flexuous; scaberulous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.4-2.5 mm long; 1 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.4-2.5 mm long; 1 mm wide; falling entire.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; not clasping; 1.2-1.4 mm long; 0.5 length of spikelet; membranous; without keels; 1-3 -veined. Lower glume apex acute. Upper glume elliptic; 1.9-2.3 mm long; 0.8-0.9 length of spikelet; membranous; without keels; (7-)9 -veined. Upper glume lateral veins distinct. 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; acute. Palea of lower sterile floret 1.7 mm long; 0.8 length of lemma. Fertile lemma elliptic; dorsally compressed; 2.2 mm long; 0.8 mm wide; indurate; without keel. Lemma surface scaberulous; rough above. Lemma margins involute. Lemma apex acute; laterally pinched (slightly). Palea involute; indurate.
    Flowers
    Anthers 3; 1.4 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1994.

    Distribution

    Native to:

    Brazil Southeast

    Panicum peristypum Zuloaga & Morrone appears in other Kew resources:

    First published in Novon 1: 113 (1991)

    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