Asplenium erectum Bory ex Willd.

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Asplenium erectum

Photo: Petra Ballings
BR

Asplenium erectum

Photo: Petra Ballings
Castleburn Forest, Vumba

Asplenium erectum

Photo: Petra Ballings
By the Swynnerton Memorial, Chirinda Forest

Asplenium erectum

Photo: Petra Ballings
By the Swynnerton Memorial, Chirinda Forest

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Synonyms: Asplenium erectum Bory ex Willd. var. usambarense (Hieron.) Schelpe
Asplenium lunulatum Sw. var. erectum (Bory ex Willd.) Sim
Asplenium sphenolobium (Kunze) Hieron. var. usambarense Hieron.
Asplenium usambarense (Hieron.) Hieron.
Asplenium zeyheri Pappe & Rawson
Common names:
Frequency:
Status: Native
Description:
Rhizome erect, up to 13 mm thick; scales dark brown, entire to subentire, up to 7 mm long. Fronds not proliferous, tufted, erect to arching. Stipe subglabrous with sparse scales towards the base, up to 9 cm long, matt-grey-brown. Lamina variable, 17-40 cm × 2.5-5 cm, narrowly elliptic in outline, pinnate to 2-pinnatifid with decrescent basal pinnae. Pinnae variable, up to 3 × 1 cm, up to 30-45 pairs; margins irregularly crenate, incised less than 1/2 way to the midrib; midrib forming the lower margin of the pinnae for some distance; apex obtuse to acuminate, basal acroscopic lobe well developed and free, glabrous. Sori 6-15, linear to oval, 1-2 mm long; indusium entire.
Notes: Differs from similar species by having 6-15 sori per pinna, reduced pinnae towards lamina base, not proliferous fronds.
Some autors recognize 2 varieties: var. erectum, which is restricted to South Africa, and var. usambarense occuring in Zimbabwe.
Derivation of specific name: erectum: erect, upright; although the larger fronds are often arching.
Habitat: In deep shade on forest floor of evergreen forest. Terrestrial or lithophytic.
Altitude range: (metres) 50 - 1800 m
Worldwide distribution: Bioko, Burundi, Cameroon, DRC, Ethiopia, Guinea, Ghana, Kenya, Malawi, Mozambique, Nigeria, Rwanda, Soa Tomé, South Africa, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zimbabwe, Madagascan region
Zimbabwe distribution: E,S
Growth form(s): Epiphyte, terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Monday 10 October 2011
Literature:

Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 223 - 224. (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 25. as Asplenium erectum erectum and Asplenium erectum usambarense (Includes a picture).

Burrows, J.E. , Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 92.

Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 606 - 607. (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 345 - 347. (Includes a picture).

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 98.

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 164. (Includes a picture).

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 84 - 85.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 175 - 176. (Includes a picture).


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Other sources of information about Asplenium erectum:

Our websites:

Flora of Malawi: Asplenium erectum
Flora of Mozambique: Asplenium erectum
Flora of Zambia: Asplenium erectum

External websites:

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


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 erectum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=102480, retrieved 24 November 2017

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