1. Family: Poaceae Barnhart
    1. Genus: Saccharum L.
      1. Saccharum giganteum (Walter) Pers.

        This species is accepted, and its native range is Central & E. U.S.A., Cuba, Jamaica, Paraguay to NE. Argentina.

    [GB]
    Habit
    Perennial. Rootstock evident. Culms erect; robust; 130-300 cm long. Culm-nodes bearded (2-6mm hairs). Leaf-sheaths hispid. Leaf-sheath oral hairs bearded. Ligule a ciliolate membrane. Leaf-blades 50-100 cm long; 18-20 mm wide. Leaf-blade surface hispid; hairy on both sides.
    Inflorescences
    Inflorescence a panicle with branches tipped by a raceme. Peduncle hirsute above. Panicle open; oblong; dense; 15-50 cm long; 4-8 cm wide. Panicle axis villous. Rhachis fragile at the nodes; subterete; pilose on surface. Rhachis internodes linear. Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster; subequal. Pedicels linear; ciliate.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 6-8 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base truncate. Spikelet callus hairs white; 6-10 mm long; 1-1.2 length of spikelet.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 6-8 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base truncate. Spikelet callus hairs white; 6-10 mm long; 1-1.2 length of spikelet.
    Glume
    Glumes similar; firmer than fertile lemma. Lower glume lanceolate; 1 length of spikelet; coriaceous; much thinner above; light brown; 2-keeled. Lower glume surface flat; pilose; hairy above. Lower glume apex acuminate. Upper glume lanceolate; 1 length of spikelet; coriaceous; much thinner above; light brown; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume surface pilose; hairy above. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; hyaline; 0 -veined; without midvein; without lateral veins; acute. Fertile lemma linear; hyaline; 0 -veined. Lemma apex awned; 1 -awned. Principal lemma awn straight, or curved; subterete below; 12-25 mm long overall. Palea absent or minute.
    Flowers
    Lodicules 2; cuneate. Anthers 3.
    Distribution
    North America: northeast USA, south-central USA, southeast USA, and Mexico. South America: Caribbean, Brazil, and southern South America.
    Reference
    Andropogoneae. Gr Texas 1994.

    Distribution

    Native to:

    Alabama, Argentina Northeast, Arkansas, Cuba, Delaware, District of Columbia, Florida, Georgia, Illinois, Jamaica, Kentucky, Louisiana, Maryland, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Paraguay, Pennsylvania, South Carolina, Tennessee, Texas, Virginia

    Saccharum giganteum (Walter) Pers. appears in other Kew resources:

    First published in Syn. Pl. 1: 103 (1805)

    Accepted by

    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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

    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