1. Family: Poaceae Barnhart
    1. Genus: Perotis Aiton
      1. Perotis flavinodula Mez

        This species is accepted, and its native range is Tanzania.

    [FTEA]

    Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

    Habit
    Mat-forming perennial with underground rhizomes; culms 30–90 cm. high, decumbent at the base.
    Leaves
    Leaf-blades narrowly lanceolate, 4–6 cm. long, 3–5 mm. wide.
    Inflorescences
    Spike 7–15 cm. long, exserted from the uppermost sheath, the spikelets moderately dense and ascending or spreading horizontally.
    Spikelets
    Spikelets 3–4 mm. long, with a short stipitiform callus 0.3–0.5 mm. long; glumes scaberulous, spinously scabrid on the broad midnerve, bearing an awn 7–10 mm. long.
    Fruits
    Caryopsis flattened.
    Habitat
    Open places in wooded grassland; 1300–1600 m.
    Distribution
    T7 not known elsewhere
    [GB]
    Habit
    Perennial; mat forming. Rhizomes elongated. Culms decumbent; 30-90 cm long. Ligule an eciliate membrane. Leaf-blades lanceolate; 4-6 cm long; 3-5 mm wide.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; multilateral; 7-15 cm long. Spikelet packing contiguous; irregular. Spikelets spreading, or ascending; solitary. Fertile spikelets pedicelled. Pedicels oblong; 0.2 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear, or lanceolate; subterete; 3.3-4.5 mm long; falling entire. Spikelet callus oblong; 0.3-0.5 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear, or lanceolate; subterete; 3.3-4.5 mm long; falling entire. Spikelet callus oblong; 0.3-0.5 mm long.
    Glume
    Glumes similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 3-4 mm long; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume primary vein spinulose. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acuminate; awned; 1 -awned. Lower glume awn 7-10 mm long. Upper glume lanceolate; 3-4 mm long; 2-3 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume primary vein conspicuous; spinulose. Upper glume lateral veins absent. Upper glume surface asperulous. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 7-10 mm long.
    Florets
    Fertile lemma lanceolate; 1-2 mm long; hyaline; without keel; 1 -veined. Lemma apex acute. Palea hyaline.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; fusiform; dorsally compressed.
    Distribution
    Africa: east tropical.
    Reference
    Cynodonteae. FTEA.

    Distribution

    Native to:

    Tanzania

    Perotis flavinodula Mez appears in other Kew resources:

    First published in Repert. Spec. Nov. Regni Veg. 17: 145 (1921)

    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.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.

    Literature

    Kew Backbone Distributions
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.
    Flora of Tropical East Africa
    • D.M. Napper, Grasses of Tanganyika: 20 (1965).
    • Mez in F. Fedde, Repertorium Speciorum Novarum Regni Vegetabilis 17: 145 (1921), as “ fiavidodula ”.

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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