Asplenium anisophyllum Kunze
  • Linnaea


Cite taxon page as 'WFO (2020): Asplenium anisophyllum Kunze. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001108049. Accessed on: 08 Apr 2020'

Morphology

Rhizome erect, set with pale brown to brown rhizome scales. Pinnae with margins bluntly serrate, base unequally cuneate, up to 220 x 24 mm. Sori borne along outermost branch vein of a fork, all of similar lengths.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 1
    • ]. 

    Plants terrestrial or epilithic. Rhizome short, erect, to 30 mm long, to 10 mm in diameter, set with roots, crowded persistent stipe bases and scales, scales chartaceous, dull brown, clathrate, sessile, oblong-cuneate, cordate to cordate-imbricate, margins regularly set with short and long filiform outgrowths terminating in an enlarged obovate thin-walled cell, usually with a few glandular cells near the point of attachment, apex terminates in an enlarged obovate thin-walled cell, to 13 mm long, to 1.5 mm wide. Fronds crowded, caespitose, suberect to arching, to 740 mm long; stipe firm, castaneous, adaxially sulcate, to 200 mm long, to 4 mm in diameter, initially closely scaled, scales chartaceous, dark brown, clathrate, sessile, linear to filiform, cordate to cordate-imbricate, margins regularly set with short and long filiform outgrowths terminating in an enlarged obovate thin-walled cell, to 5 mm long, to 0.2 mm wide; lamina anadromous, 1-pinnate, elliptic, to 530 mm long, to 280 mm wide, with up to 14 petiolated pinna pairs; rachis firm, adaxially sulcate, green, brown abaxially, sparsely set with scales similar to those on the stipe; pinnae petiolate, petiole to 2 mm long, opposite to alternate, basally more widely spaced than apically, the 2 or 3 basal pairs generally gradually reduced, firmly herbaceous, inequilaterally oblong-cuneate to narrowly lanceolate, acroscopically truncate to broadly cuneate, basiscopically narrowly cuneate, dentate, to 150 mm long, to 25 mm wide, adaxially glabrous, abaxially with scattered scales along the costa and veins, scales chartaceous, castaneous, sessile, filiform, with short filiform outgrowths and enlarged thin-walled cells at the point of attachment, apex terminates in an enlarged oblong thin-walled cell, to 1.5 mm long, to 0.4 mm wide; costa adaxially raised, convex. Venation evident, pinnately branched, branches forked, ending in the teeth near the margin. Sori linear, inframedial, extending along a vein, to 4 mm long; indusium firmly herbaceous, stramineous, linear, entire, attached along the entire length, to 4 mm long, to 0.3 m wide; sporangium long-stalked, uniseriate, 3-seriate below the capsule, capsule globose to broadly elliptic in lateral view, annulus with (16-)18(-19) indurated annulus cells, epistomium (2-)3-celled, hypostomium (3-)4-celled. Spores 64 per sporangium, brown, broadly elliptic, monolete, perispore forms broad reticulate wings, exospore (34-)35.5(-38) x (24-)26.8(-30) µm.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Rhizome erect, c. 10-20 mm in diameter, set with pale brown to brown, concolorous, broadly lanceolate, somewhat fimbriate and attenuate rhizome-scales c. 12 x 3.5 mm. Fronds tufted, herbaceous, not gemmiferous; stipe matt purplish brown, glabrous except for scales basally; lamina ovate to ovate-elliptic, up to 880 x 320 mm, pinnate, basal pinnae somewhat reduced; pinnae in 10-20 pairs, up to 220 x 24 mm, base unequally cuneate, margin regularly crenate-dentate, upper surface glabrous, lower surface set with scattered, minute, sub-stellate scales on costae and veins. Sori extending along veins from near costa half-way to margin, 4-6 mm long at maturity; indusium membranous, yellowish, entire, c. 1 mm broad.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Habitat

    Epiphytic, lithophytic or terrestrial on forest floor.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 1
    • ]. 

    Terrestrial or epilitic, in moist evergreen forests, usually on rocks in or near perennial streams. Not edaphically bound.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    A low-level epiphyte in deep shade, or terrestrial on forest floor, or lithophytic on moist rock faces or boulders between 1200 and 2300 m altitude.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Distribution

    Widespread in east and south tropical Africa, the eastern parts of southern Africa, and the western Indian Ocean region.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Transkei, Natal, Swaziland, Transvaal, Zimbabwe, Mozambique, Malawi, Angola, Tanzania, Uganda, Kenya, Liberia and Madagascar.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

      Bibliography

    • 1 Herman, PPJ; Retief, E. 1997. Plants of thenorthern provinces of South Africa: keys and diagnostic characters. Strelitzia 6: 1 - 681. National Botanical Institute, Pretoria.
    • 2 Linnaea
    • 3 Roux, JP. 2003. Swaziland ferns and fern allies.
    • 4 Schelpe, EACLE; Anthony, NC. 1986. Pteridophyta. In: O.A. Leistner (ed.). Fl. S. Africa : 1 - 278.

     Information From

    Aspleniaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • B All Rights Reserved
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).