1. Family: Polypodiaceae J.Presl & C.Presl
    1. Genus: Polystichum Roth
      1. Polystichum zambesiacum Schelpe

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

    [FTEA]

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

    Type
    Zimbabwe, Henkels Nek, Stapleford, Schelpe 5751 (BOL, holo.; BOL!, iso.)
    Habit
    Terrestrial or lithophyte.
    Rhizomes
    Rhizome short creeping to suberect, often branched, up to 25 mm in diameter, with linear scales up to 30 × 2 mm long, margins fringed
    Leaves
    Fronds tufted, 5–8 per plant, arching, 100–180 cm long.
    Stipes
    Stipe reddish-brown at base, paler above, up to 84 cm long, to 9 mm in diameter with adaxial groove, scales reddish-brown, large and small scales mixed, up to 16 × 10 mm.
    Leaf lamina
    Lamina firmly herbaceous to coriaceous, ± narrowly ovate, up to 89 cm long, 2-pinnate to 3pinnatifid.
    Rachis
    Rachis straw-coloured, with adaxial groove, with sparse papery pale to reddish-brown scales up to 1.8 mm long.
    Pinnae
    Pinnae in up to 30 free pairs, lowest pair often slightly reduced, frequently somewhat deflexed; pinnae to 27 cm long with up to 27 free pinnule pairs; basal pinnules closest to rachis simple or incised to or near to costa, acroscopic pinnules of basal pair reduced on lowest pinna, but increasing in size towards middle of lamina, pinnules in general asymmetric, narrowly ovate to narrowly triangular, up to 45 mm long, acroscopically auricled with lobate-serrate margin, obtuse; costa pale with adaxial groove at base, with few pale twisted scales up to 1.2 mm long, abaxially sparsely scaly.
    Leaf veins
    Veins evident or obscure
    Sori
    Sori terminal or near terminal on abbreviated or unabbreviated vein branches, discrete at maturity, round, ± 1 mm in diameter; sporangium with 9–20 indurated annulus cells; indusium persistent, peltate circular to reniform, margin shallowly lobed to irregularly dentate, maximum radial length 0.5 mm, brown
    Spores
    Spores with tubercles and a reticulate pattern of ridges
    Figures
    Figure 10: 11-12, figure 11:4
    Ecology
    Moist forest; 1800–2500 m
    Conservation
    May be vulnerable where it occurs in middle altitude forests which are heavily exploited by the local population.
    Distribution
    Flora districts: T3 T6 Range: Malawi, Mozambique, Zimbabwe, restricted to high mountains

    Distribution

    Native to:

    Malawi, Mozambique, Tanzania, Zimbabwe

    Polystichum zambesiacum Schelpe appears in other Kew resources:

    First published in Bol. Soc. Brot., sér. 2, 41: 215 (1967)

    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: 291, t. 101–104 (1998).
    • Bol. Soc. Brot., Ser. 2, 41: 215 (1967)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/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