1. Family: Polypodiaceae J.Presl & C.Presl
    1. Genus: Polystichum Roth
      1. Polystichum magnificum F.Ballard

        This species is accepted, and its native range is S. Ethiopia to Tanzania.

    [FTEA]

    Dryopteridaceae, JP Roux, M Shaffer-Fehre, B Verdcourt. Flora of Tropical East Africa. 2007

    Type
    Uganda, Mount Elgon, in the crater north of Maji ya moto, Hedberg 965 (K!, holo.; K!, iso.)
    Habit
    Terrestrial.
    Rhizomes
    Rhizome short-creeping, branched, up to 12 mm in diameter, with dense papery reddish narrowly linear scales up to 30 × 2 mm
    Leaves
    Fronds 6–7 per plant, erect to suberect, up to 113 cm long.
    Stipes
    Stipe reddish-brown at base, straw-coloured above, up to 47 cm long, 0.9 cm in diameter, with adaxial groove, with dense reddish narrowly ovate scales up to 40 × 2 mm, margin with widely spaced projections, apex acicular, scales towards top of Stipe more variable in size, larger scales narrowly ovate, up to 28 × 8 mm, smaller scales narrowly triangular and shortly stalked.
    Leaf lamina
    Lamina leathery, dark green above, slightly paler below, narrowly ovate to oblong, up to 66 cm long, 2-pinnate to 3-pinnatifid.
    Rachis
    Rachis straw-coloured, up to 40 cm long, with adaxial groove, with dense reddish ovate acuminate scales and often with a single gemmiferous bud near apex, densely enclosed by reddish bud scales.
    Pinnae
    Pinnae oblong ovate, up to 13 cm long; costa straw-coloured with adaxial groove with dense scales, similar to but smaller than those on the rachis; pinnules inaequilaterally ovate, lobate, crenate, lowest pinnules acroscopically incised to or near to adaxial groove, adaxially and abaxially with dense reddish papery scales 4–5 mm long, simple or with short marginal outgrowths at base, often twisted; venation evident
    Sori
    Sori medial to inframedial, uniseriate, discrete at maturity, circular, up to 2.2 mm in diameter; sporangium with annulus of 11–17 cells; indusium persistent, peltate, incomplete to circular, erose, maximum radial length 1.14 mm, brown
    Spores
    Spores relatively smooth, echinulate
    Figures
    Figure 10: 3-4, figure 11:6
    Ecology
    Bamboo zone or moorland, in sheltered sites; 3300–3800 m
    Conservation
    Although restricted in distribution the species is not considered to be threatened.
    Distribution
    Flora districts: U3 K3, K5 Range: Endemic to Elgon and the Bale, Arussi, and Gamu Gofa regions in southern Ethiopia

    Images

    Distribution

    Native to:

    Ethiopia, Kenya, Tanzania, Uganda

    Polystichum magnificum F.Ballard appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1956 Hedberg, O. [965], Uganda K000351186 Unknown type material
    Jan 1, 1956 Hedberg, O. [965], Uganda K000351187 Unknown type material
    Jan 1, 1956 Hedberg, O. [965], Uganda K000351188 Unknown type material
    Jan 1, 1956 Hedberg, O. [965], Uganda K000351189 isotype

    First published in Kew Bull. 12(1): 48, f. 1 (1957)

    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 Tropical East Africa
    • Roux, Polystichum in Africa: 179 (1998).
    • U.K.W.F. ed. 2: 35 (1994)
    • K.B. 12: 48 (1957)

    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.
    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