1. Family: Poaceae Barnhart
    1. Genus: Anthaenantiopsis Mez ex Pilg.
      1. Anthaenantiopsis rojasiana Parodi

        This species is accepted, and its native range is Paraguay to NE. Argentina.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 100-110 cm long; 3 -noded. Culm-nodes glabrous. Leaf-sheaths pubescent. Ligule a fringe of hairs. Leaf-blades 25-35 cm long; 5-7 mm wide. Leaf-blade surface pubescent; hairy adaxially. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 6-30; borne along a central axis; closely spaced; in a multilateral false spike; unilateral; 1-3 cm long. Central inflorescence axis 10-15 cm long. Rhachis angular; glabrous on margins. Spikelet packing contiguous. Spikelets in pairs. Fertile spikelets pedicelled; 2 in the cluster. Pedicels unequal; 1-3 mm long; ciliate; hairy at tip.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; compressed slightly; obtuse; 3-3.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; compressed slightly; obtuse; 3-3.5 mm long; falling entire.
    Glume
    Glumes one the lower absent or obscure; reaching apex of florets, or shorter than spikelet; thinner than fertile lemma. Upper glume oblong; membranous; without keels; 5-7 -veined. Upper glume lateral veins ribbed. Upper glume surface pilose, or villous; hairy above. Upper glume margins ciliate. Upper glume apex obtuse.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 5 -veined; ribbed; pilose, or villous; hairy above; obtuse. Palea of lower sterile floret 1 length of lemma (with pubescent apex). Fertile lemma oblong; 3-3.5 mm long; coriaceous; without keel; 5 -veined. Lemma margins involute. Lemma apex acute; pubescent. Palea gaping; 1 length of lemma; coriaceous; 2 -veined.
    Flowers
    Anthers 3; 2 mm long.
    Distribution
    South America: southern South America.
    Reference
    Paniceae. WDC.

    Distribution

    Native to:

    Argentina Northeast, Paraguay

    Anthaenantiopsis rojasiana Parodi appears in other Kew resources:

    First published in Notas Mus. La Plata, Bot. 8: 87 (1943)

    Accepted by

    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.

    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 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