Asplenium protensum Schrad.

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Asplenium protensum

Photo: Petra Ballings
BR

Asplenium protensum

Photo: Petra Ballings
BR

Asplenium protensum

Photo: Petra Ballings
Way to Tsetsera, Himalayas

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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: (metres) 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
Zimbabwe distribution: E
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
Images last updated: Saturday 12 November 2011
Literature:

Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 232. (Includes a picture).

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.

Burrows, J.E. , Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 93.

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.

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.


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Other sources of information about Asplenium protensum:

Our websites:

Flora of Malawi: Asplenium protensum
Flora of Mozambique: Asplenium protensum
Flora of Zambia: Asplenium protensum

External websites:

African Plants: A Photo Guide (Senckenberg): Asplenium protensum
African Plant Database: Asplenium protensum
Biodiversity Explorer (Biodiversity of southern Africa): Asplenium protensum
BHL (Biodiversity Heritage Library): Asplenium protensum
EOL (Encyclopedia of Life): Asplenium protensum
ePIC (electronic Plant Information Center): Asplenium protensum
Flora Zambesiaca web site: Asplenium protensum
GBIF (Global Biodiversity Information Facility): Asplenium protensum
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Asplenium protensum
IPNI (International Plant Names Index): Asplenium protensum
Ispot Southern Africa: Asplenium protensum
JSTOR Plant Science: Asplenium protensum
Kew Herbarium catalogue: Asplenium protensum
Mansfeld World Database of Agricultural and Horticultural Crops: Asplenium protensum
The Plant List (version 1.1): Asplenium protensum
Tropicos: Asplenium protensum


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Zimbabwe: Species information: Asplenium protensum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=102670, retrieved 22 September 2017

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