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:
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:
Derivation of specific name: dregeanum: named after J.F. Drège (1794-1881), a German horticulturist and plant collector in southern Africa.
Habitat:
Altitude range:
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
Malawi distribution: N,C,S
Growth form(s): Epiphyte, lithophyte.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

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

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

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.

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.

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.

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.

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78.

Other sources of information about Asplenium dregeanum:

Our websites:

Flora of Mozambique: Asplenium dregeanum
Flora of Zambia: Asplenium dregeanum
Flora of Zimbabwe: Asplenium dregeanum

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Malawi: Species information: Asplenium dregeanum.
https://www.malawiflora.com/speciesdata/species.php?species_id=102470, retrieved 18 October 2019

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