Asplenium dregeanum Kunze

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Asplenium dregeanum

Photo: Petra Ballings
BR

Asplenium dregeanum

Photo: Petra Ballings
BR

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Synonyms: Asplenium brachypteron Kunze
Asplenium dregeanum Kunze var. brachypterum (Kunze ex Houlston & T.Moore) Bonap.
Asplenium dregeanum Kunze var. gracile Bonap.
Asplenium gracile Peter
Asplenium gueinzianum Mett. ex Kuhn
Common names:
Frequency:
Status: Native
Description:
Rhizome erect, c. 3 mm thick; scales brown, 1-5 mm long, margins entire. Fronds tufted, proliferous near the apex, the apical segment above the proliferating bud has less than 5 lobes. Stipe up to 17 cm, greyish-brown, sometimes narrowly winged, subglabrous. Lamina 16-39 cm × 3.5-6 cm, 2-pinnate to 3-pinnatifid, narrowly lanceolate to oblong in outline. Pinnae up to 35 × 11 mm, acroscopically developed, glabrous to subglabrous, lobes narrowly oblong-obtuse. Pinnae with 1-3 basiscopic pinnae lobes; the first arising between the 2nd-4th acroscopic lobes. Sori up to 2 mm, elliptic, one centrally located per lobe, indusium entire.  
Notes: Confused with similar species; A. dregeanum has finer divided fronds with the the first basal lobe arising between the 2nd and 4th acroscopic lobes.
Derivation of specific name: dregeanum: named after J.F. Drège (1794-1881), a German horticulturist and plant collector in southern Africa.
Habitat: In areas with deep shade and abundant moisture in evergreen forests. Epiphyte or lithophyte.
Altitude range: (metres) 100 - 2300 m
Worldwide distribution: Angola, Bioko, Burundi, Cameroon, Cote d'Ivoire, DRC, Ethiopia, Gabon, Ghana, Guinea, Kenya, Liberia, Malawi, Mozambique, Nigeria, Rwanda, Soa Tomé, Sierra Leone, South Africa, Sudan, Tanzania, Togo, Uganda, Zambia, Zimbabwe, Madagascan region
Zimbabwe distribution: E
Growth form(s): Epiphyte, lithophyte.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Saturday 15 October 2011
Literature:

Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 236. (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.

Burrows, J.E. , Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 94.

Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 628 - 629. (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 372 - 373. (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 Pages 163 - 164.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 83 - 84.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 184.


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Other sources of information about Asplenium dregeanum:

Our websites:

Flora of Malawi: Asplenium dregeanum
Flora of Mozambique: Asplenium dregeanum
Flora of Zambia: Asplenium dregeanum

External websites:

Biodiversity Explorer (Biodiversity of southern Africa): Asplenium dregeanum
EOL (Encyclopedia of Life): Asplenium dregeanum
ePIC (electronic Plant Information Center): Asplenium dregeanum
Flora Zambesiaca web site: Asplenium dregeanum
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Asplenium dregeanum
IPNI (International Plant Names Index): Asplenium dregeanum
Ispot Southern Africa : Asplenium dregeanum
JSTOR Plant Science: Asplenium dregeanum
Kew Herbarium catalogue: Asplenium dregeanum
Tropicos: Asplenium dregeanum
West African Plants database: Asplenium dregeanum


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Asplenium dregeanum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=102470, retrieved 24 August 2016

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