Home | > | List of families | > | Thelypteridaceae | > | Amauropelta | > | bergiana |
Synonyms: |
Aspidium bergianum (Schltdl.) Mett. Dryopteris bergiana (Schltdl.) Kunze Nephrodium bergianum (Schltdl.) Baker Polypodium bergianum Schltdl. Thelypteris bergiana (Schltdl.) Ching |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Rhizome erect, suberect; rhizome scales up to 8 mm long, brown, lanceolate, subentire. Fronds tufted, arching, not proliferous, herbaceous. Stipe up to 32 cm long, strawcoloured to greyish brown, with minute white hairs and with scales similar to those on the rhizome near the base. Lamina up to 95 × 26 cm, narrowly elliptic in outline, deeply 2-pinnatifid, apex tapering to a point, lower pinnae gradually reduced and widely spaced, with usually 1 pair of very small, vestigial pinnae. Pinnae narrowly oblong-acuminate, up to 16 × 2.5 cm; undersurface with short, pale hairs, many of which are hooked, upper surface with short, straight hairs. Ultimate lobes oblong, apex rounded, margins entire; veins 8-10 pairs, not meeting the veins of the adjacent lobes. Rhachis pale brown, with scattered hooked hairs below. Sori numerous, small, rounded, submarginal on the veins; indusia small, with few hairs, lost at maturity. |
Type location: |
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Notes: | A. bergiana look for: hooked hairs on lower surface of lamina, minute indusium, basal pinnae gradually decrescent with 1 pair of vestigial pinnae, veins of pinnae lobes not meeting below sinus. |
Derivation of specific name: | bergiana: named after C.H.Bergius (1790-1818), German botanist. |
Habitat: | Streambanks in forest and moist areas along forest margin. |
Altitude range: | 2100 m (approx) |
Worldwide distribution: | Angola, Bioko, Burundi, Cameroon, Kenya, Madagascar, Malawi, Mozambique, Nigeria, Réunion, Rwanda, South Africa, Sudan, Eswatini, Tanzania, Zambia, Zimbabwe. |
Zambian distribution (Flora Zambesiaca): | N,E |
Zambian distribution (Provinces): | Mc |
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. Pages 266 - 268. As Thelypteris bergiana (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 95. As Thelypteris bergianum Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 43. as Thelypteris bergiana (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 55. As Thelypteris bergiana Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 694 - 695. (Includes a picture). 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 15. 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. As Thelypteris bergiana Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 383 - 384. (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 87. As Thelypteris bergiana 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 10. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 116. (Includes a picture). Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 199. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 193 - 194. As Thelypteris bergiana (Includes a picture). |
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