1. Family: Poaceae Barnhart
    1. Genus: Poa L.
      1. Poa paludigena Fernald & Wiegand

        This species is accepted, and its native range is N. Central & NE. U.S.A. to North Carolina.

    [GB]
    Habit
    Perennial; culms solitary, or caespitose; clumped loosely. Culms geniculately ascending; 15-70 cm long. Culm-internodes terete. Leaf-sheaths scaberulous; glabrous on surface. Ligule an eciliate membrane; 0.3-1.5 mm long; truncate. Leaf-blades erect; 0.3-2 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; pyramidal; loose; 5-10 cm long. Primary panicle branches 2 -nate. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes eventually visible between lemmas. Floret callus woolly.
    Fertile
    Spikelets comprising 2-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes eventually visible between lemmas. Floret callus woolly.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume linear; 0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; membranous; 1-keeled; 1-3 -veined. Upper glume lateral veins absent, or obscure. Upper glume apex acute.
    Florets
    Fertile lemma oblong; 2.5-3.5 mm long; membranous; keeled; 5 -veined. Lemma midvein ciliate; hairy below. Lemma lateral veins with distinct primaries but obscure intermediates. Lemma margins ciliate; hairy below. Lemma apex acute. Palea 0.9 length of lemma. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform.
    Distribution
    North America: north-central USA and northeast .
    Reference
    Poeae. Man US Gr 1997.

    Distribution

    Native to:

    Illinois, Indiana, Iowa, Michigan, Minnesota, New York, North Carolina, Ohio, Pennsylvania, Virginia, West Virginia, Wisconsin

    Poa paludigena Fernald & Wiegand appears in other Kew resources:

    First published in Rhodora 20: 126 (1918)

    Accepted by

    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • 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 (2007). Flora of North America North of Mexico 24: 1-908. 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 2018. 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 2018. 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