1. Family: Cyperaceae Juss.
    1. Genus: Carex L.
      1. Carex mannii E.A.Bruce

        This species is accepted, and its native range is Bioko, SW. Cameroon, Ethiopia to Burundi and Kenya.

    [FWTA]

    Cyperaceae, Miss S. S. Hooper. Flora of West Tropical Africa 3:2. 1972

    Habit
    Tufted perennial up to 140 cm. high
    Inflorescences
    6–10 solitary dark reddish brown spike
    Ecology
    In forest.
    [FTEA]

    Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

    Type
    Type: Bioko [Fernando Po], Clarence Peak, Mann 1478 (K!, holo.; K!, iso.)
    Habit
    Tufted rhizomatous perennial 0.8–1.7 m tall
    Leaves
    Leaves ± equalling the stems, 4–6 mm wide, the basal sheaths purplish
    Inflorescences
    Inflorescences narrowly paniculate, ± 20 cm long. Spikes dark brown, ± 9, elongate cylindrical, ± 5 cm long, the lower paired, densely flowered; upper spikes entirely male or female at the base, the remainder mostly female or male at extreme apex
    Peduncles
    Peducles unequal, scabrid; rhachis scabrid.
    Bracts
    Bracts leafy.
    Glume
    Glumes dark brown with distinct pale keel, lanceolate, shorter than utricle, acuminate-apiculate
    Fruits
    Utricles 5–5.5 mm long including 1.5–1.8 mm beak, distinctly toothed, with several longitudinal ribs; nut brown, micropunctate.
    Ecology
    Swamps in upland forest; 2450–3100 m
    Note
    In 1906 C.B. Clarke redetermined the Scott Elliot specimen as Carex vallis- rosetto K. Schum. Bruce cited it as C. mannii in her original description.
    Distribution
    Range: Bioko, Cameroon, E Congo-Kinshasa, Rwanda Flora districts: U2

    Images

    Distribution

    Native to:

    Burundi, Cameroon, Ethiopia, Gulf of Guinea Is., Kenya, Rwanda, Sudan, Uganda, Zaïre

    Carex mannii E.A.Bruce appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 1, 1998 Cheek, M. [8504], Cameroon K000678215
    Mann [1478], Equatorial Guinea K000363443 isotype
    Mann [1478], Equatorial Guinea K000363442 Unknown type material
    Mann [1478], Equatorial Guinea K000363441 isotype

    First published in Bull. Misc. Inform. Kew 1933: 150 (1933)

    Accepted by

    • Velayos, M., Aedo, C., Cabezas, F., de la Estrella, M., Barberá, P. & Fero, M. (eds.) (2014). Flora de Guinea Ecuatorial 11: 1-416. Consejo superior de investigaciones científicas, Real jardín botánico, Madrid.
    • Escudero, M. & Luceño, M. (2011). Taxonomic revision of the tropical African group of Carex subsect. Elatae (sect. Spirostachyae, Cyperaceae) Anales del Jardin Botanico de Madrid 68: 225-247.
    • Gehrke, B. (2011). Synopsis of Carex (Cyperaceae) from sub-Saharan Africa and Madagascar Botanical Journal of the Linnean Society 166: 51-99.
    • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
    • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Cabezas, F., Aedo, C. & Velayos, M. (2004). Checklist of the Cyperaceae of Equatorial Guinea (Annobón, Bioko, Río Muni) Belgian Journal of Botany 137: 3-26.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Flora of West Tropical Africa
    • in Kew Bull. 1933: 150.
    Kew Backbone Distributions
    • Gehrke, B. (2011). Synopsis of Carex (Cyperaceae) from sub-Saharan Africa and Madagascar Botanical Journal of the Linnean Society 166: 51-99.
    • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
    Flora of Tropical East Africa
    • Fl. Rwanda 4: 730 (1988).
    • Haines & Lye, Rushes & Sedges of E. Afr.: 380, fig. 783 (1983)
    • F.W.T.A. ed.2, 3: 349 (1972)
    • Journ. E. Afr. Nat. Hist. Soc. 24 (106): 18 (1963)
    • Robyns & Tournay, F.P.N.A. 3: 293 (1955)
    • K.B. 1933: 150 (1933)

    Sources

    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

    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 2019. 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 2019. 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