Asplenium dregeanum Kunze

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Photo: Petra Ballings
Mt. Gorongosa, forest Canda side

Photo: Petra Ballings
Mt Gorongosa

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Synonyms:	Asplenium brachypteron Kunze Asplenium dregeanum Kunze subsp. brachypterum (Kunze) Pic.Serm. 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.
Type location:
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:	Africa and Madagascan region.
National distribution:	N,Z,MS
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. & 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. 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 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. Fischer E. & Lobin W. (2024). Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda. Willdenowia 53(3) Page 156. Fischer, E. & Killmann, D. (2008). Illustrated Field guide to the Plants of Nyungwe National Park Rwanda. University of Koblenz-Landau. Page 76. (Includes a picture). Fischer, E. & Lobin, W. (2023). Synoptic Revision of Aspleniaceae (Asplenium, Hymenasplenium) of Rwanda. Phytotaxa 608 (1) Pages 14 - 16. 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. Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 28. 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. Timberlake, J.R., Bayliss, J., Dowsett-Lemaire, F., Congdon, C., Branch, B., Collins, S., Curran, M., Dowsett, R,J., Fishpool, L., Francisco, J., Harris, Kopp, M. & de Sousa, C. (2012). Mt Mabu, Mozambique: Biodiversity and Conservation Report produced under the Darwin Initiative Award 15/036. Royal Botanic Gardens, Kew, London Page 71. Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78.

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Flora of Burundi: Asplenium dregeanum
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Flora of Malawi: Asplenium dregeanum
Flora of Rwanda: Asplenium dregeanum
Flora of Zambia: Asplenium dregeanum
Flora of Zimbabwe: Asplenium dregeanum

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Mansfeld World Database of Agricultural and Horticultural Crops: Asplenium dregeanum
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Wikipedia: Asplenium dregeanum