1. Family: Aspleniaceae Newman
    1. Genus: Asplenium L.
      1. Asplenium gemmascens Alston

        This species is accepted, and its native range is S. Nigeria to Uganda and Angola.

    [FTEA]

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

    Type
    Type: Nigeria, Ogoja, Ikwette-Baleghete Pass, Savory & Keay FHI 25201 (BM!, holo.)
    Habit
    Epiphytic or terrestrial.
    Rhizomes
    Rhizome long-creeping, to 7 mm diameter, with dark brown opaque attenuate rhizome scales (not apparent in East Africa).
    Leaves
    Fronds spaced, 60–80 cm long.
    Stipes
    Stipe dark brown or matt grey, 15–30 cm long, with few scales 2–3 mm long.
    Leaf lamina
    Lamina dark green, lanceolate, 1-pinnate, proliferous near apex.
    Pinnae
    Pinnae in 10–16 pairs, herbaceous, elongate-deltoid, 6–7.5 × 2–3 cm, basiscopic base obliquely cuneate, acroscopic base parallel to rachis, margin irregularly bidentate, apex attenuate, with minute scattered scales when young but soon glabrescent; basal pinnae hardly smaller, apical pinna ± similar to lateral ones, with gemma at base.
    Leaf veins
    Veins forked.
    Sori
    Sori many, on each side of the costa along the veins at ± 45° angle.
    Indusium
    Indusium membranous, entire.
    Figures
    Fig. 2: 6–8, p. 14.
    Ecology
    Moist forest along stream, groundwater forest; 1100–1150 m
    Conservation
    Widespread; least concern (LC)
    Note
    A. gemmascens does look a lot like A. warneckei, apart from being proliferous. A specimen that looks very similar is Uganda, U 4 Mengo District: Kamengo [Kammengo], July–Aug. 1953, H.D. van Someren 772!; except that this is much larger, seems to be shortly creeping rather than long-creeping – and is proliferous in the middle of the costa on the upper surface of many leaflets PLUS near the apex (a character that Faden says is unique to A. angolense). Otherwise this specimen looks very like A. warneckei (which is non-proliferous, but short-creeping – and known from this area!).
    Distribution
    Range: Nigeria, Congo-Kinshasa, Rwanda, Angola Flora districts: U4 K3 T1

    Distribution

    Native to:

    Angola, Cameroon, Gabon, Nigeria, Rwanda, Uganda, Zaïre

    Asplenium gemmascens Alston appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 1, 2005 Fay Louis [4815], Cameroon K000338373
    Aug 1, 2001 Etuge, M. [4005], Cameroon K000108931

    First published in Bol. Soc. Brot., sér. 2, 30: 10 (1956)

    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
    • in Bol. Soc. Brot., sér. 2A, 30 : 10 (1956)
    Flora of Tropical East Africa
    • Johns, Pterid. trop. East Africa checklist: 63 (1991).
    • Tardieu, Fl. Cameroun Pterid.: 207, t. 33/1–3 (1964)
    • Ferns W.T.A.: 59 (1959)
    • Bol. Soc. Brot. 30: 10 (1956)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East 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.

    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