| Home | > | List of families | > | Dryopteridaceae | > | Dryopteris | > | manniana |
| Synonyms: |
Dryopteris raynalii Tardieu Phegopteris manniana (Hook.) Kuhn Polypodium mannianum Hook. |
| Common names: | |
| Frequency: | Rare |
| Status: | Native |
| Description: |
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. |
| Notes: | Can be separated from other species of Dryopteris by its gemmifrous fronds. |
| Derivation of specific name: | manniana: named after Gustav Mann, German botanist. |
| Habitat: | Shaded undergrowth of forest, often along streams. |
| Altitude range: (metres) | 1280 - 1770 m |
| Worldwide distribution: | Bioko, Burundi, Cameroon, Coté d'Ivoire, Equatorial Guinea, Guinea, Kenya, Liberia, Malawi, Mozambique, Nigeria, Rwanda, Sierra Leone, Tanzania, Uganda, Zimbabwe, also Madagascar. |
| Zimbabwe distribution: | E |
| Growth form(s): | Terrestrial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 303. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 98. Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 23. Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 10. Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 25. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Page 440. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 6. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 125. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 122 - 123. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 223. (Includes a picture). |
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