1. Family: Aspleniaceae Newman
    1. Genus: Asplenium L.
      1. Asplenium hemitomum Hieron.

        This species is accepted, and its native range is Tropical Africa.

    [FWTA]

    Aspleniaceae, A. H. G. Alston. Flora of West Tropical Africa. Ferns and Fern-Allies Supplement. 1959

    Ecology
    On trees and rocks usually by streams in forest; up to 2, 500 ft. alt.
    [FTEA]

    Aspleniaceae, Henk Beentje. Flora of Tropical East Africa. 2008

    Type
    Type: Bioko [Fernando Po], Barter s.n. (B!, lecto., K!, iso.), chosen by Tardieu?
    Rhizomes
    Rhizome erect, short, with dark brown narrowly ovate attenuate rhizome scales.
    Leaves
    Fronds tufted, 20–50 cm long.
    Stipes
    Stipe dark grey, 10–23 cm long, canaliculate in upper part, bearing scales similar to those of rhizome.
    Leaf lamina
    Lamina oblong, 1-pinnate, 10–35 × 7–14 cm.
    Pinnae
    Terminal pinna often 3-lobed with acute lobes. Pinnae in 5–12 pairs, at an angle of 85° with the rachis, (sub)opposite, sub-coriaceous, petiolate, spaced, rhomboid and asymmetrical, 5–8 × 2–3 cm, base unequal, the acroscopic base cuneate, subtruncate and ± auriculate, the basiscopic base oblong and rounded, sometimes also auriculate, margin crenate-dentate, median lobe elongate [?], deltoid and serrate. Pinnae with small narrow scales on lower surface.
    Rachis
    Rachis compressed, green, sparsely scaly.
    Sori
    Sori many, along the veins forming an angle of ± 30° with the costa, linear, 10–23 mm long, not reaching the margin or the costa, some opening towards the costa, some towards the margin.
    Indusium
    Indusium membranous, entire, 0.5–0.7 mm wide.
    Distribution
    Range: Guinea to Congo-Kinshasha. Some specimens had been named as this taxon, but turned out to be {i}A. warneckei{/i}.

    Images

    Distribution

    Native to:

    Angola, Cameroon, Central African Repu, Equatorial Guinea, Gabon, Ghana, Guinea, Gulf of Guinea Is., Ivory Coast, Liberia, Malawi, Nigeria, Sierra Leone, Tanzania, Zaïre

    Asplenium hemitomum Hieron. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 1, 2001 Cable, S. [3236], Cameroon K000108939
    Aug 1, 2001 Etuge, M. [2066], Cameroon K000108933
    Aug 1, 2001 Etuge, M. [4136], Cameroon K000108938
    Aug 1, 2001 Zapfack, L. [687], Cameroon K000108932
    Staudt, A. [586], Cameroon K001208193 syntype

    First published in Bot. Jahrb. Syst. 46(3): 365 (1911)

    Accepted by

    • Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

    Literature

    Flora of West Tropical Africa
    • Tard. in Mém. I.F.A.N. 28: 189, t. 36, fig. 1 (1953).
    • in Engl. Bot.Jahrb. 46 : 365 (1911)
    Flora of Tropical East Africa
    • Johns, Pterid. trop. East Africa checklist: 63 (1991).
    • Tardieu, Fl. Cameroun Pterid.: 203, t. 31/5–8, t. 29/9 (1964)
    • Alston, Ferns W.T.A.: 59 (1959)
    • Mém. I.F.A.N. 28: 189 (1953)
    • E.J. 46: 365 (1911)

    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