1. Family: Aspleniaceae Newman
    1. Genus: Asplenium L.
      1. Asplenium mannii Hook.

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

    [FWTA]

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

    Ecology
    Epiphyte on the branches of trees in forest; 3, 000 to 7, 500 ft. alt.
    [FTEA]

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

    Type
    Type: Bioko [Fernando Po], Mann 372 (K!, holo., B!, iso.)
    Habit
    Epiphyte.
    Rhizomes
    Rhizome short and erect, 1–3 mm diameter, with clathrate dark brown triangular subentire acute rhizome scales to 2.5 mm long.
    Leaves
    Fronds of two kinds: tufted, erect and not proliferous, thinly coriaceous, 2–16 cm long; and proliferous stolon-like looping green fronds 2–50 cm which are without lamina, start erect and then loop over and root at their tip.
    Leaf lamina
    Lamina dark green or bluish green, narrowly ovate to lanceolate in outline, 1.5–6(–15) × 1–2.5 cm, mostly 1-pinnate but with the lowest pinnae bifid and larger than those above.
    Pinnae
    Pinnae up to 6 (very rarely 9) pairs, up to 1.5 cm long, with linear to spatulate lobes, entire, obtuse, glabrous on both surfaces or with sparse thread-like scales to 0.5 mm long beneath. Pinnae of normal fronds and gemmae of stolonlike fronds alternate. ‘Normal’ fronds with stipe greyish-green when dried, 1–6.5 cm long, glabrous.
    Rachis
    Rachis glabrous, narrowly winged.
    Sori
    Sori solitary on each spathulate segment, set at a slight angle to the lower part of the vein, oblong, 1.5–2.5 mm long.
    Indusium
    Indusium oblong, membranous, subentire, 0.5–1 mm wide.
    Figures
    Fig. 6: 7–8, p. 37.
    Ecology
    Low, medium and high epiphyte in moist forest; may be locally common and cover entire tree-trunks; (?840–)1100–2500 m
    Conservation
    Widespread; least concern (LC)
    Note
    One of the most easily recognizable species in Asplenium.
    Distribution
    Range: Widespread in tropical Africa, from Sierra Leone to Ethiopia to Zimbabwe, Madagascar Flora districts: U2 U4 K4 T K5 T K6 T K7 T2 T3 T4 T6 T7 T8

    Images

    Distribution

    Native to:

    Angola, Burundi, Cameroon, Ethiopia, Guinea, Gulf of Guinea Is., Kenya, Madagascar, Malawi, Mozambique, Rwanda, Sierra Leone, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Asplenium mannii Hook. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nov 1, 2003 Zapfack, L. [2124], Cameroon K000746298
    Jul 1, 2001 Cheek, M. [8413], Cameroon K000109115
    Jul 1, 2001 Zapfack, L. [712], Cameroon K000109113
    Jan 1, 1996 Thomas, D.W. [9209], Cameroon K000381539
    Jan 1, 1955 Mann, G. [s.n.], Bioko K000423926
    Mann, G. [372], Bioko K000423925 Unknown type material
    La Croix, I.F. [5014A], Congo K000501425
    Timberlake, J. [5006], Mozambique K000613385

    First published in (1861)

    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
    • Sim F.S.A. 174, t. 61 (1915).
    • Hook. Syn. Fil. 221 (1867)
    • Sec. Cent. t. 60 (1861)
    Flora of Tropical East Africa
    • U.K.W.F. ed. 2: 29, t. 172 (1994).
    • Johns, Pterid. trop. East Africa checklist: 65 (1991)
    • Burrows, S. Afr. Ferns: 239, map, figs. (1990)
    • Schelpe, F.Z. Pteridophyta: 187, t. 54e (1970)
    • Alston, Ferns W.T.A.: 60 (1959)
    • Mém. Inst. Fr. Afr. Noire, 28: 198, t. 39 fig. 8–9 (1953)
    • Sim, Ferns S. Afr. ed. 2: 174, t. 61 (1915)
    • Sec. Cent. Ferns: t. 60 (1861)

    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