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Dryopteris manniana (Hook.) C. Chr.

Derivation of specific name

provided by Flora of Zimbabwe
manniana: named after Gustav Mann, German botanist.
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cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Dryopteris manniana (Hook.) C. Chr. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=101870
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe

Description

provided by Flora of Zimbabwe
Rhizome erect to suberect, up to 20 mm in diameter; rhizome scales brown, up to 14 mm long, narrowly lanceolate in outline, margin entire with short marginal outgrowths. Fronds tufted, arching, herbaceous, with proliferating buds on the rhachis near the apex of the frond. Stipe up to 30 cm long, straw-coloured, with scales similar to rhizome at the base. Lamina up to 39 × 26 cm, ovate to ovate-oblong in outline, 2-pinnatifid at the apex to 3-pinnatifid at the base, with a pinnatifid to lobed terminal segment and basal pair of pinnae not reduced and basiscopically developed. Ultimate lobes oblong, glabrous on both surfaces, margins crenate to serrate. Rhachis set with a few hairlike scales at the axils of the pinnae. Sori small, round, c. 1 mm in diameter, up to 18 per lobe, exindusiate.
license
cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Dryopteris manniana (Hook.) C. Chr. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=101870
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe

Frequency

provided by Flora of Zimbabwe
Rare
license
cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Dryopteris manniana (Hook.) C. Chr. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=101870
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe

Worldwide distribution

provided by Flora of Zimbabwe
Bioko, Burundi, Cameroon, Coté d'Ivoire, Equatorial Guinea, Guinea, Kenya, Liberia, Malawi, Mozambique, Nigeria, Rwanda, Sierra Leone, Tanzania, Uganda, Zimbabwe, also Madagascar.
license
cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Dryopteris manniana (Hook.) C. Chr. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=101870
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe