1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum torridum Gaudich.

        This species is accepted, and its native range is Hawaiian Islands.

    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; 20-60 cm long. Culm-internodes distally pubescent, or hirsute. Leaf-sheaths pubescent, or hirsute. Ligule a ciliate membrane; 1 mm long. Leaf-blades 10-20 cm long; 4-10 mm wide. Leaf-blade surface pubescent, or hirsute.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic, or oblong; dense; 3-15 cm long; 1-4 cm wide. Primary panicle branches ascending; bearing spikelets almost to the base. Panicle axis villous. Panicle branches villous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels villous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acuminate; 3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acuminate; 3 mm long; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.9 length of spikelet; membranous; without keels; 3-5 -veined. Lower glume surface villous. Lower glume hairs 2-3 mm long. Lower glume apex acuminate. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume surface villous. Upper glume hairs 2-3 mm long. Upper glume apex acuminate.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 7 -veined; glabrous, or villous; hairy above; acute. Palea of lower sterile floret 0.5 length of lemma. Fertile lemma elliptic; dorsally compressed; 1.5 mm long; indurate; without keel. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Pacific: north-central.
    Reference
    Paniceae. Hitchcock 1993.

    Images

    Distribution

    Panicum torridum Gaudich. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Gaudichaud-Beaupre, C. [s.n.], USA Panicum nubigenum K000674460 Unknown type material
    Hillebrand, W. B. [s.n.], USA Panicum nubigenum K000674459

    First published in Voy. Uranie: 411 (1829)

    Accepted by

    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    Literature

    Kew Backbone Distributions
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    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