1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum koolauense H.St.John & Hosaka

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

    [GB]
    Habit
    Perennial; cushion forming. Culms geniculately ascending; 5-15 cm long. Leaf-sheaths outer margin hairy. Ligule a ciliolate membrane. Leaf-blades flat, or convolute; 0.7-0.8 cm long; 1-1.8 mm wide. Leaf-blade surface ribbed; scaberulous; rough adaxially.
    Inflorescences
    Inflorescence comprising only a few spikelets; comprising 2-3 fertile spikelets; shorter than basal leaves. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2-2.3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2-2.3 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5-0.75 length of spikelet; membranous; much thinner on margins; without keels; 3 -veined. Lower glume apex acute. Upper glume elliptic; 1 length of spikelet; membranous; with hyaline margins; without keels; 9 -veined. Upper glume surface asperulous; rough on veins. 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; scaberulous; rough on veins; acute. Palea of lower sterile floret 0.5 length of lemma. Fertile lemma oblong; dorsally compressed; 2 mm long; cartilaginous; pallid; without keel. Lemma margins involute. Lemma apex obtuse; pubescent. Palea involute; cartilaginous.
    Flowers
    Lodicules 2; cuneate. Anthers 3; 0.7 mm long.
    Distribution
    Pacific: north-central.
    Reference
    Paniceae. WDC.

    Images

    Distribution

    Panicum koolauense H.St.John & Hosaka appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    St. John, H. [10178], USA K000674468 isotype

    First published in Occas. Pap. Bernice Pauahi Bishop Mus. 11(13): 3 (1935)

    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.

    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