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Asplenium protensum
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Photo: Petra Ballings
Mt. Gorongosa, forest Canda side
Photo: Petra Ballings
Tsetsera
Photo: Petra Ballings
Tsetsera
Photo: Petra Ballings
Mt Gorongosa
Photo: Petra Ballings
Mt Gorongosa
Photo: Petra Ballings
Mt Gorongosa
Photo: Petra Ballings
Mt Gorongosa
Photo: Petra Ballings
Mt Gorongosa
Photo: Petra Ballings
Mt Gorongosa
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Asplenium protensum Schrad. var. pseudohorridum Hieron. |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Rhizome up to 5 mm diameter, erect; scales brown with pale margings, narrowly ovate-triangular, up to 2 mm long. Fronds tufted, arching, herbaceous, proliferous towards the apex. Stipe up to 18 cm; stipe and rhachis are thinly pubescent and covered with few ovate brown scales. Lamina up to 95 cm × 12 cm, narrowly lanceolate in outline, 2-pinnatifid. Pinnae incised 2/3 of the way to the midrib, acroscopic basal lobe well developed, lanceolate, thinly pubescent above and below. Sori up to 5 mm long, linear, set at about 15 degrees to the midrib, indusium entire. |
| Notes: | Differs from similar species by having proliferous fronds. |
| Derivation of specific name: | protensum: extended, referring to the long, narrow fronds. |
| Habitat: | Mostly on mossy boulders along deeply shaded streambanks in evergreen forest. Lithophyte. |
| Altitude range: | 1000 - 2000 m |
| Worldwide distribution: | Angola, Bioko, Burundi, Cameroon, DRC, Ethiopia, Equatorial Guinea, Eritrea, Ethiopia, Kenya, Malawi, Mozambique, Nigeria, Rwanda, Soa Tomé, Somalia, South Africa, Sudan, Tanzania, Uganda, Zambia, Zimbabwe, Madagascan region |
| Mozambique distribution: | MS |
| Growth form(s): | Epiphyte, lithophyte, terrestrial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Content last updated: | Saturday 12 October 2024 |
| Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 232. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 93. Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 27. Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 7. Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 620 - 621. (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 9. 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 26. Fisher E. & Lobin W. (2024). Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda. Willdenowia 53(3) Page 158. Fisher, E. & Lobin, W. (2023). Synoptic Revision of Aspleniaceae (Asplenium, Hymenasplenium) of Rwanda. Phytotaxa 608 (1) Page 34. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 354 - 355. (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 101 - 102. 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 169. (Includes a picture). Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 94 - 95. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 179. Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78. |
Other sources of information about Asplenium protensum:
Our websites:
Flora of Burundi: Asplenium protensumFlora of the DRC: Asplenium protensum
Flora of Malawi: Asplenium protensum
Flora of Rwanda: Asplenium protensum
Flora of Zambia: Asplenium protensum
Flora of Zimbabwe: Asplenium protensum
External websites:
African Plants: A Photo Guide (Senckenberg): Asplenium protensumAfrican Plant Database: Asplenium protensum
BHL (Biodiversity Heritage Library): Asplenium protensum
EOL (Encyclopedia of Life): Asplenium protensum
GBIF (Global Biodiversity Information Facility): Asplenium protensum
Google: Web - Images - Scholar
iNaturalist: Asplenium protensum
IPNI (International Plant Names Index): Asplenium protensum
JSTOR Plant Science: Asplenium protensum
Mansfeld World Database of Agricultural and Horticultural Crops: Asplenium protensum
Plants of the World Online: Asplenium protensum
Tropicos: Asplenium protensum
Wikipedia: Asplenium protensum
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