Featured: Lysimachia arvensis Image from Stuppy & Kesseler
©Papadakis Publisher

  1. Family: Poaceae Barnhart
    1. Genus: Saccharum L.

      1. Saccharum coarctatum (Fernald) R.D.Webster

        This species is accepted, and its native range is SE. U.S.A. to SE. Texas.

    [GB]
    Habit
    Perennial. Culms erect; 35-150 cm long. Culm-nodes glabrous, or pubescent, or bearded. Leaf-sheaths keeled; glabrous on surface. Ligule a ciliolate membrane. Leaf-blades 3-10 mm wide; 2-3 cm long at summit of culm. Leaf-blade surface scaberulous.
    Inflorescences
    Inflorescence a panicle with branches tipped by a raceme. Panicle open; elliptic; 20-27 cm long; 2.5-4 cm wide. Rhachis fragile at the nodes; angular; pubescent on surface. Rhachis internodes linear; 4 mm long. Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster; subequal. Pedicels linear; angular; 4 mm long; pubescent.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base truncate. Spikelet callus hairs 0.5 length of spikelet.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 7-8 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus bearded; base truncate. Spikelet callus hairs 0.5 length of spikelet.
    Glume
    Glumes similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of spikelet; cartilaginous; 2-keeled; 5 -veined. Lower glume surface flat; asperulous; glabrous, or hirsute (sparsely). Lower glume apex acuminate. Upper glume lanceolate; 1 length of spikelet; cartilaginous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume surface asperulous; glabrous. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; hyaline; acute. Fertile lemma lanceolate; 4-5 mm long; hyaline; 3 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn straight; subterete below; 15-23 mm long overall.
    Flowers
    Lodicules 2; cuneate. Anthers 3.
    Distribution
    North America: southeast USA.
    Reference
    Andropogoneae. Man US Gr 1997.

    Distribution

    Native to:

    Alabama, Delaware, Florida, Georgia, Maryland, North Carolina, South Carolina, Texas, Virginia

    Saccharum coarctatum (Fernald) R.D.Webster appears in other Kew resources:

    First published in Sida 16: 572 (1995)

    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.
    • 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

    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