1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida basiramea Vasey

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

    [GB]
    Habit
    Annual. Culms erect; 30-50 cm long. Culm-internodes smooth, or scaberulous. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule a fringe of hairs. Leaf-blades flat, or involute; 7-15 cm long; 0.7-1.5 mm wide. Leaf-blade surface scabrous; rough adaxially; pilose; sparsely hairy; hairy adaxially.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Axillary inflorescences enclosed. Panicle open; linear; 5-10 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.3 mm long; pubescent; obtuse.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; subterete; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.3 mm long; pubescent; obtuse.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma. Lower glume linear; 10-12 mm long; 0.8 length of upper glume; membranous; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acuminate; mucronate. Upper glume linear; 12-15 mm long; 1.2-1.5 length of adjacent fertile lemma; membranous; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume apex acuminate; mucronate.
    Florets
    Fertile lemma linear; subterete; 10 mm long; coriaceous; without keel; 3 -veined. Lemma midvein scabrous. Lemma margins convolute; covering most of palea. Lemma apex awned; 3 -awned. Principal lemma awn 3-branched; ascending and briefly coiled at base of limb; with 10-15 mm long limb. Lateral lemma awns spreading as much as principal; 5-10 mm long; shorter than principal.
    Flowers
    Anthers 3.
    Distribution
    North America: northwest USA, north-central USA, northeast USA, and southeast USA.
    Reference
    Aristideae. N Amer Fl 1994.

    Images

    Distribution

    Native to:

    Alabama, Colorado, Florida, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Masachusettes, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New York, North Dakota, Oklahoma, Ontario, Pennsylvania, Québec, South Carolina, Tennessee, Texas, Vermont, West Virginia, Wisconsin

    Aristida basiramea Vasey appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Upham, W. [s.n.], Minnesota K000906126

    First published in Bot. Gaz. 9: 76 (1884)

    Accepted by

    • Werier, D. (2017). Catalogue of the Vascular plants of New York state Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Jones, R.L. (2005). Plant life of Kentucky. An illustrated guide to the vascular flora: 1-833. The universitry press of Kentucky.
    • 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
    • Werier, D. (2017). Catalogue of the Vascular plants of New York state Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.
    • Jones, R.L. (2005). Plant life of Kentucky. An illustrated guide to the vascular flora: 1-833. The universitry press of Kentucky.
    • 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 2020. 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 2020. 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