1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum wilcoxianum Vasey

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

    [GB]
    Habit
    Perennial. Culms erect; 10-25 cm long. Culm-internodes distally hirsute. Lateral branches ample. Leaves heterophyllous with a basal winter rosette. Leaf-sheaths hirsute; with tubercle-based hairs. Ligule an eciliate membrane; 1 mm long. Leaf-blades 5-8 cm long; 3-6 mm wide. Leaf-blade surface hirsute.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong; 2-5 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.7-3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.7-3 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. Lower glume surface puberulous. Lower glume apex acute. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume surface puberulous. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 9 -veined; pubescent. Fertile lemma elliptic; dorsally compressed; 2.7-3 mm long; indurate; without keel. Lemma margins involute. Palea involute; indurate.
    Distribution
    North America: western Canada, northwest USA, north-central USA, and south-central USA.
    Reference
    Paniceae. Man US Grass 2004.

    Distribution

    Native to:

    Alberta, Colorado, Illinois, Indiana, Iowa, Kansas, Manitoba, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, Saskatchewan, South Dakota, Wisconsin, Wyoming

    Panicum wilcoxianum Vasey appears in other Kew resources:

    First published in Bull. Div. Bot. U.S.D.A. 8: 32 (1889)

    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

    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