1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus quadratus Clayton

        This species is accepted, and its native range is Ethiopia to Kenya.

    [FTEA]

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

    Habit
    Tufted perennial, the basal sheaths fairly broad, usually papery to subcoriaceous; culms 30–90 cm. high.
    Leaves
    Leaf-blades convolute, up to 30 cm. long and 2–3 mm. wide.
    Inflorescences
    Panicle spiciform, 6–18 cm. long, 5–8 mm. wide; primary branches appressed to the main axis, densely spiculate, the lowest 0.5–1.5 cm. long.
    Spikelets
    Spikelets 2.2–2.7 mm. long, grey-green; lower glume oblong, 0.5–1 mm. long, hyaline, nerveless, obtuse; upper glume ovate, 1.2–1.6 mm. long, ± 2/3 as long as the spikelet, acute; lemma ovate-elliptic, as long as the spikelet, the tip incurved, acute; anthers 3, 0.6–0.8 mm. long.
    Fruits
    Grain almost square in side view, 0.7–0.8 mm. long and almost as wide.
    Habitat
    Heavily grazed grassland and disturbed sites; 2200–3000 m.
    Distribution
    K3 K4
    [GB]
    Habit
    Perennial; caespitose. Butt sheaths papery, or coriaceous. Culms erect; 30-90 cm long. Ligule a fringe of hairs. Leaf-blades convolute; 15-30 cm long; 2-3 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; pyramidal; 6-18 cm long; 0.5-0.8 cm wide. Primary panicle branches appressed; 0.5-1.5 cm long. Panicle branches glabrous in axils. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 2.2-2.7 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 2.2-2.7 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; dissimilar; shorter than spikelet. Lower glume oblong; 0.5-1 mm long; 0.4-0.6 length of upper glume; hyaline; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 1.2-1.6 mm long; 0.66 length of adjacent fertile lemma; membranous; grey; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 2.2-2.7 mm long; membranous; grey; without keel; 1 -veined. Lemma apex acute (incurved). Palea 2 -veined. Palea keels approximate.
    Flowers
    Anthers 3; 0.6-0.8 mm long.
    Fruits
    Caryopsis with free soft pericarp; square; 0.7-0.8 mm long.
    Distribution
    Africa: northeast tropical and east tropical.
    Reference
    Eragrostideae. FTEA.

    Images

    Distribution

    Native to:

    Ethiopia, Kenya

    Sporobolus quadratus Clayton appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 1, 1965 McCallum Webster, M. [K88], Kenya K000365234 holotype

    First published in Kew Bull. 19: 290 (1965)

    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.
    • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.

    Literature

    Kew Backbone Distributions
    • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.
    Flora of Tropical East Africa
    • W. D. Clayton in Kew Bulletin 19: 290 (1965).

    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

    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