1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum heliophilum Chase ex Zuloaga & Morrone

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

    [GB]
    Habit
    Perennial. Rhizomes short. Basal innovations flabellate. Culms scandent; 30-70 cm long. Culm-internodes distally pilose. Culm-nodes bearded. Lateral branches ample; arising from upper culm. Leaf-sheaths 0.5-1 cm long; pubescent; outer margin hairy. Leaf-sheath oral hairs ciliate. Ligule a ciliate membrane; 0.2-0.3 mm long. Collar pubescent. Leaf-blade base broadly rounded. Leaf-blades linear, or lanceolate; flat, or conduplicate; 4-5 cm long; 3 mm wide. Leaf-blade surface hirsute; densely hairy; hairy on both sides. Leaf-blade margins cartilaginous; scabrous; ciliate.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Peduncle 4-8 cm long; hispid above. Panicle open; ovate; 4-16 cm long; 3-12 cm wide. Primary panicle branches not whorled, or whorled at lower nodes. Panicle axis pilose. Panicle branches glabrous, or pubescent; pubescent in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-13 mm long; smooth; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension, or with a barren rhachilla extension. Spikelets elliptic; dorsally compressed; 2.6-3.1 mm long; 1-1.1 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension, or with a barren rhachilla extension. Spikelets elliptic; dorsally compressed; 2.6-3.1 mm long; 1-1.1 mm wide; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; not clasping; 2-2.7 mm long; 0.75 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acuminate. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume surface villous. 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; 7 -veined; villous; acute. Palea of lower sterile floret 2 mm long; 0.75 length of lemma. Fertile lemma elliptic; dorsally compressed; 2.4-2.7 mm long; 0.8-0.9 mm wide; indurate; light brown; without keel; 5-7 -veined. Lemma surface papillose; pilose; hairy above. Lemma margins involute. Lemma apex acute. Palea involute; indurate. Palea surface pilose; hairy above.
    Flowers
    Anthers 3; 1.3 mm long.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 1.4 mm long; light brown. Embryo 0.33 length of caryopsis. Hilum elliptic.
    Distribution
    South America: Brazil.
    Reference
    Paniceae. Zuloaga 1994.

    Distribution

    Native to:

    Brazil Southeast

    Panicum heliophilum Chase ex Zuloaga & Morrone appears in other Kew resources:

    First published in Ann. Missouri Bot. Gard. 78: 152 (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