1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum depauperatum Muhl.

        This species is accepted, and its native range is Central & E. Canada to N., Central & E. U.S.A.

    [GB]
    Habit
    Perennial. Culms 25-50 cm long. Culm-internodes distally glabrous, or pubescent. Lateral branches sparse. Leaves basal and cauline. Leaf-sheaths pubescent. Ligule a fringe of hairs; 0.3-1 mm long. Leaf-blades linear, or lanceolate; flat, or involute; 8-20 cm long; 1-4 mm wide. Leaf-blade surface glabrous, or pilose, or hispid; hairy abaxially. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; 4-8 cm long; bearing few spikelets. Primary panicle branches simple, or sparsely divided. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; with obtuse base; dorsally compressed; acute; 3.3-4.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; with obtuse base; dorsally compressed; acute; 3.3-4.5 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.33 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume oblong; 0.95-1 length of adjacent fertile lemma; 1 length of spikelet; membranous; without keels; 9 -veined. Upper glume lateral veins prominent. Upper glume surface glabrous to pubescent. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 0.95-1 length of fertile lemma; 1 length of spikelet; membranous; 7 -veined; prominently veined; glabrous to pubescent; acute. Fertile lemma oblong; dorsally compressed; 3.3-4.5 mm long; indurate; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    North America: eastern Canada, north-central USA, northeast USA, south-central USA, and southeast USA.
    Reference
    Paniceae. Gr Texas 1994.

    Images

    Distribution

    Native to:

    Alabama, Arkansas, Colorado, Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Masachusettes, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Brunswick, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Ontario, Pennsylvania, Prince Edward I., Québec, Rhode I., South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin, Wyoming

    Panicum depauperatum Muhl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Drummond, T. [s.n.], USA K000674420
    Hooker, J. D. [s.n.], USA K000674418
    Hooker, J. D. [s.n.], USA K000674419
    s.coll. [s.n.], USA K000674415
    s.coll. [s.n.], New Jersey K000674416
    s.coll. [s.n.], New Jersey K000674417
    Lockley, B. [s.n.], USA K000674421

    First published in Descr. Gram.: 112 (1817)

    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
    • 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