1. Family: Poaceae Barnhart
    1. Sohnsia Airy Shaw

      1. This genus is accepted, and its native range is Mexico.

    [GB]

    nonem

    Habit
    Perennial. Culms 30-100 cm long. Ligule a ciliate membrane.
    Inflorescences
    Dioecious. Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform. Male inflorescence similar to female; a panicle. Male spikelets distinct from female; ovate. Male spikelet glumes 2. Male spikelet lemma awned.
    Spikelets
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Floret callus pilose.
    Fertile
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Floret callus pilose.
    Glume
    Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acute. Upper glume lanceolate; 0.75-1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume surface asperulous. Upper glume apex acute.
    Florets
    Fertile florets female. Fertile lemma elliptic; coriaceous; much thinner above; without keel; 3 -veined. Lemma midvein ciliate. Lemma margins ciliate. Lemma apex lobed; 3 -fid; incised 0.25 of lemma length; awned; 3 -awned. Principal lemma awn from a sinus. Lateral lemma awns subequal to principal. Palea 1 length of lemma; 2 -veined. Palea keels winged. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3.
    Male
    Male inflorescence similar to female; a panicle. Male spikelets distinct from female; ovate. Male spikelet glumes 2. Male spikelet lemma awned.
    Distribution
    North America.

    Images

    Distribution

    Native to:

    Mexico Northeast

    Sohnsia Airy Shaw appears in other Kew resources:

    First published in Kew Bull. 18: 272 (1965)

    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