Asplenium obscurum Blume
  • Enum. Pl. Javae


Cite taxon page as 'WFO (2020): Asplenium obscurum Blume. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001108025. Accessed on: 22 Sep 2020'

Morphology

Rhizome 5 mm in diam., creeping, with fronds spaced up to 4 cm apart and with rather sparse brown clathrate subentire narrowly triangular acute rhizome-scales c. 2 x 1 mm at its base. Frond erect, membranous, not proliferous. Stipe matt-brown, up to 17 cm long, with very few short hairs when young, glabrous with age and with a few scales similar to those of the rhizome-scales near the base. Lamina pinnate, oblong to narrowly oblong-acuminate, basal pinnae not reduced, pinnae in 17-20 pairs, petiolate, rhombic, dimidiate for almost 1/2 the length of the costa, broadly to narrowly acute, very unequally cuneate at the base, serrate to mostly doubly serrate on the acroscopic margin and upper part of the basiscopic margin up to 5.5 x 1.5 cm, glabrous on both surfaces. Rhachis matt-brown with occasional multicellular hairs. Sori up to 7 mm long, very narrowly oblong, set at about 45§ to the costa about midway between the costa and margin; indusium narrowly oblong, membranous, entire.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Habitat

    Lithophytic on wet rocks and in stream beds in deep shade in forest.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Distribution

    Asia, Madagascar, Tanzania, Malawi, Mozambique, Zimbabwe.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

      Bibliography

    • 1 Enum. Pl. Javae
    • 2 Schelpe, EACLE. 1970. Pteridophyta. Fl. Zambes. : 1 - 254. Crown Agents for Oversea Governments & Administrations, London.

     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).