1. Family: Polypodiaceae J.Presl & C.Presl
    1. Genus: Polystichum Roth
      1. Polystichum transvaalense N.C.Anthony

        This species is accepted, and its native range is Cameroon to Kenya and S. Africa.

    [FTEA]

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

    Type
    South Africa, Transvaal, Pietersburg District, Woodbush Forest Reserve, Bredenkamp & Van Vuuren 450 (BOL!, holo.; PRE!, iso.)
    Habit
    Terrestrial or epiphyte.
    Rhizomes
    Rhizome short-creeping or erect, up to 8 mm in diameter, with dense reddish-brown linear to lanceolate rhizome scales up to 14 × 1 mm, with outgrowths towards tip, apex an acicular cell
    Leaves
    Fronds tufted, 5–17 per plant, suberect to arching.
    Stipes
    Stipe reddish-brown at base, straw-coloured or green above, 20–54 cm long, 5 mm in diameter, with adaxial groove, with dense reddish-brown ovate scales 6.5–20 × 1.4–6 mm, the larger sessile, smaller stalked, tapering towards acicular cell at apex, twisted.
    Leaf lamina
    Lamina herbaceous, adaxially pale to dark green, abaxially pale green, ovate to narrowly ovate, 40–67 × 12–25 cm, 2-pinnate.
    Rachis
    Rachis straw-coloured, with dense short-stalked twisted reddish brown scales up to 4.5 mm long, terminating in an acicular cell, margins an irregular fringe.
    Pinnae
    Pinnae to 26 free pairs, to 140 × 28 mm, the proximal slightly reduced and often deflexed, with up to 20 oblongattenuate pairs of free pinnules, acroscopically developed towards the middle of the lamina; costa straw-coloured with adaxial groove densely scaly, scales smaller than, but resembling those of rachis; pinnules asymmetric, ovate to obliquely rhomboid, up to 15 mm long, acroscopically auriculate, basal pinnules often pinnatifid, the margins toothed to crenate, often with short awns, adaxially almost smooth or at the base of the costa with few scales, abaxially moderately covered with twisted narrowly linear to triangular scales up to 2.5 mm long; venation evident
    Sori
    Sori terminal or near terminal on abbreviated vein branches, discrete at maturity, circular, ± 1 mm in diameter; sporangium with 10–20 indurated annulus cells; indusium straw-coloured, peltate, round, rarely incomplete simple or often with a few central processes, 0.5–1 mm in diameter, persistent
    Spores
    Spores brown, ornamentation of tubercles, inflated or compressed reticulate ridges and some spines.
    Figures
    Figure 10: 5-6, figure 11:5
    Ecology
    Moist forest, less often in dry evergreen forest or bamboo, often near water; terrestrial or occasionally epiphytic; 1350–2700 m
    Conservation
    Widespread; least concern (LC)
    Note
    For the differences with the similar P. wilsonii, see the Note under that species.
    Distribution
    Flora districts: U1 U2 K1 K3 K4 K6 K7 T2 T3 T 4 , 6, T7 Range: Mt Cameroon and Bioko, mountains of E CongoKinshasa, S Sudan, Ethiopia, Zambia, Malawi, Zimbabwe, South Africa

    Distribution

    Native to:

    Cameroon, Cape Provinces, Ethiopia, Free State, Kenya, KwaZulu-Natal, Malawi, Northern Provinces, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Polystichum transvaalense N.C.Anthony appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2008 Tiyoy, L. [1241], Uganda K000197447
    Sep 1, 1998 Cable, S. [3130], Cameroon K000746763
    Sep 1, 1998 Cable, S. [2956], Cameroon K000746766
    Sep 1, 1998 Cable, S. [2962], Cameroon K000746762
    Sep 1, 1998 Pollard, B.J. [14], Cameroon K000746765
    Sep 1, 1998 Zapfack, L. [1086], Cameroon K000746764
    Jan 1, 1998 Thomas, D.W. [9350], Cameroon K000085205
    Jan 1, 1998 Watts, J. [434], Cameroon K000085206

    First published in Contr. Bolus Herb. 10: 146 (1982)

    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.
    • Roux, J.P. (2016). The Lycopods and Ferns of Drakensberg and Lesotho: 1-384. Briza academic books, Pretoria, South Africa.

    Literature

    Flora of Tropical East Africa
    • Roux, Polystichum in Africa: 166 (1998).
    • Contrib. Bolus Herb. 10: 146 (1982)

    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 2020. 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 2020. 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