1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus myrianthus Benth.

        This species is accepted, and its native range is Nigeria to Kenya and S. Tropical Africa.

    [FZ]

    Gramineae, T. Cope. Flora Zambesiaca 10:2. 1999

    Habit
    Caespitose perennial without rhizomes or stolons; culms up to 100(120) cm tall, erect, unbranched; basal leaf sheaths firmly chartaceous to subcoriaceous, glabrous, terete, subpersistent, the older ones eventually disintegrating into a loose cushion of glabrous fibres; leaf laminas 6–30 cm × 1–5 mm, usually involute, sometimes flat, smooth and glabrous to faintly scaberulous on the surface, scabrid to ciliate on the margins, filiform at the apex.
    Inflorescences
    Panicle 15–35 cm long, narrowly lanceolate to narrowly ovate, diffuse; primary branches not in whorls, smooth or scaberulous, eglandular, the spikelets evenly distributed.
    Spikelets
    Spikelets 1.8–2.6(3) mm long, dark greyish-green to olive; inferior glume 1/5–1/3 the length of the spikelet, oblong, nerveless, glabrous, obtuse at the apex; superior glume 1/2–2/3 the length of the spikelet, ovate, 1-nerved, glabrous, obtuse and mucronate, abruptly acuminate, or with the nerve excurrent into an awnlet, rarely merely acute; lemma as long as the spikelet, narrowly ovate, subacute; anthers 3, (0.9)1.1–1.3(1.5) mm long.
    Fruits
    Grain 0.8–1.3 mm long, obovate, truncate at the top, ± tetragonal in section.
    [FTEA]

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

    Habit
    Caespitose perennial, the basal sheaths somewhat indurated, yellowish, usually ± covered by the fibrous remains of old sheaths; culms 15–120 cm. high.
    Leaves
    Leaf-blades usually convolute, sometimes flat, 3–30 cm. long, 1–5 mm. wide, the tip filiform.
    Inflorescences
    Panicle narrowly lanceolate to narrowly ovate, 5–30 cm. long, diffuse with capillary branches and pedicels, the spikelets solitary.
    Spikelets
    Spikelets 1.6–2.6 mm. long, dark grey-green; lower glume oblong, 0.5–0.8 mm. long; upper glume ovate, 0.6–1.1 mm. long, 1/3–1/2 as long as the spikelet, obtuse and mucronate, abruptly acuminate, or with the single nerve excurrent into an awnlet up to 0.5 mm. long, occasionally merely acute; lemma narrowly ovate, as long as the spikelet; anthers 3, 1 mm. long.
    Fruits
    Grain obovoid, 0.6 mm. long, ± tetragonal, truncate.
    Habitat
    Open and weedy places in Brachystegia and other wooded grassland; 1400–2500 m.
    Distribution
    Nigeria to Angola and Rhodesia K3 T2 T4 T5 T6 T7 T8 U1 U2
    [FWTA]

    Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972

    Habit
    Loosely tufted perennial with short leaves and slender culms 30–90 cm. high
    Leaf sheaths
    The basal sheaths somewhat indurated and more or less fibrous.
    [GB]
    Habit
    Perennial; caespitose. Butt sheaths papery; yellow; glabrous; persistent and investing base of culm; with fibrous dead sheaths. Culms erect; 15-120 cm long. Ligule a fringe of hairs. Leaf-blades convolute; 3-20 cm long; 1-5 mm wide. Leaf-blade apex filiform.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate, or ovate; effuse; 5-30 cm long. Panicle branches capillary; glabrous in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.6-2.6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.6-2.6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; dissimilar; shorter than spikelet. Lower glume oblong; 0.5-0.8 mm long; 0.7-0.8 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.6-1.1 mm long; 0.33-0.5 length of adjacent fertile lemma; membranous; dark green, or grey; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex obtuse, or cuspidate; mucronate.
    Florets
    Fertile lemma ovate; 1.6-2.6 mm long; membranous; dark green, or grey; without keel; 1 -veined. Lemma apex acute. Palea 2 -veined. Palea keels approximate.
    Flowers
    Anthers 3; 1 mm long.
    Fruits
    Caryopsis with free soft pericarp; obovoid; quadrangular; 0.6 mm long.
    Distribution
    Africa: west tropical, west-central tropical, east tropical, and southern tropical.
    Reference
    Eragrostideae. FTEA.

    Images

    Distribution

    Native to:

    Angola, Burundi, Cameroon, Kenya, Malawi, Mozambique, Nigeria, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Sporobolus myrianthus Benth. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Vogel [190], Niger K000365317 holotype
    Vogel [190], Niger K000365318 holotype
    Vogel [190], Niger K000365319 isotype
    Homble, H. A. [16], Cameroon K000365294 syntype

    First published in W.J.Hooker, Niger Fl.: 565 (1849)

    Accepted by

    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Cope, T. (1999). Flora Zambesiaca 10(2): 1-261. Royal Botanic Gardens, Kew.
    • Ndabaneze, P. (1989). Catalogue des Graminées du Burundi Lejeunia; Revue de Botanique, n.s., 132: 1-127.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.

    Literature

    Flora of West Tropical Africa
    • in Fl. Nigrit. 565 (1849).
    Kew Backbone Distributions
    • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Cope, T. (1999). Flora Zambesiaca 10(2): 1-261. Royal Botanic Gardens, Kew.
    • Ndabaneze, P. (1989). Catalogue des Graminées du Burundi Lejeunia; Revue de Botanique, n.s., 132: 1-127.
    • Clayton, W.D., Phillips, S.M., Renvoize, S.A. (1974). Gramineae Flora of Tropical East Africa 2: 177-449.
    • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
    Flora of Tropical East Africa
    • Clayton in Flora of West Tropical Africa, ed. 2, 3: 410 (1972).
    • Benth. in Hook., Fl. Nigrit.: 565 (1849).

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

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

    Flora of West Tropical Africa
    Flora of West Tropical 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