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Synonyms: |
Blechnum bakeri C.Chr. var. glabra Bonap. Blechnum bakeri C.Chr. var. glabrum Bonap. Blechnum bakeri C. Chr. var. glabrum Bonap. ex Tardieu Blechnum umbrosum Peter |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Rhizome erect, c. 5 mm thick; scales dark brown to black, up to 2 mm long, margins entire. Fronds whorled, dimorphic. Stipe up to 10 cm long in the sterile frond, double the size in fertile fronds. Sterile lamina 40 × 7.5 cm, deeply pinnatifid, narrowly elliptic in outline; pinnae oblong, slightly falcate, glabrous, margins finely toothed, apex acute to rounded. Fertile lamina as for sterile lamina but with linear pinnae. Rhachis sparsely set with a few brown scales. Sori linear, appearing to cover the pinnae completely at dehiscence; indusium continuous. |
Notes: | Differs from similar species by having long, lax fertile fronds and fine serrations on the pinnae tips. |
Derivation of specific name: | ivohibense: named after Mt. Ivohibe in south-eastern Madagascar. |
Habitat: | Terrestrial along shaded streambanks in wet evergreen forest. |
Altitude range: | 1400 - 1850 m |
Worldwide distribution: | Kenya, Malawi, Mozambique, Tanzania, Zimbabwe and also in Madagascan region. |
Mozambique distribution: | Z |
Growth form(s): | Terrestrial. |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Content last updated: | Friday 13 July 2007 |
Literature: |
Burrows, J.E. & Burrows, S.M. (1983). A check-list of the Pteridophytes of Zimbabwe. South African Journal of Botany 49(3) Page 330. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 99. 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. Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 172. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 462 - 463. (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 5. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 154. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 103. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 237. (Includes a picture). |
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