Asplenium preussii Hieron. ex Brause

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Photo: Petra Ballings
BR

Photo: Petra Ballings
Chirinda forest

Photo: Petra Ballings
By path from carpark to Big Tree, Chirinda Forest

Photo: Petra Ballings
Near to the Swynnerton Memorial, Chirinda Forest

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Synonyms:	Asplenium auriculatum sensu Sim Asplenium preussii Hieron. subsp. austroafricanum Schelpe Asplenium pseudoauriculatum Schelpe Asplenium thunbergii sensu Sim
Common names:
Frequency:
Status:	Native
Description:	Rhizome erect, up to 10 mm thick; scales c. 3 mm long, brown, entire, subulate. Fronds tufted, proliferous near the apex, the apical segment above the proliferating bud has more than 5 lobes. Stipe up to 20 cm long, stipe and rhachis sparsely set with dark brown scales. Lamina 22-42 cm × 4.5-13 cm, 2-pinnatifid, lanceolate to narrowly elliptic in outline. Pinnae with 6 or more basiscopic pinnae lobes; the first arissing between the 1st-2nd acroscopic lobes. Pinnae variable, from shallowly incised to strongly pinnatifid into narrow simple bifid lobes, basal lobe pointing towards the apex free, 4-fid and larger than the other lobes. Sori one per lobe, linear, set along the veins, indusiate.
Notes:	Confused with A. dregeanum; A. preussii has the first basal lobe arising between the 1st and 2nd acroscopic lobes.
Derivation of specific name:	preussii: named after Paul Rudolf Preuss, botanist, horticulturist, first director of Botanic Gardens at Victoria in Cameroon.
Habitat:	In leaf litter or on boulders in deeply shaded evergreen forest. Terrestrial.
Altitude range:	1000 - 1650 m
Flowering time:
Worldwide distribution:	Bioko, Burundi, Cameroon, Congo, DRC, Ethiopia, Guinea, Kenya, Liberia, Malawi, Mozambique, Nigeria, Rwanda, Sierra Leone, South Africa, Sudan, Tanzania, Uganda, Zimbabwe
Mozambique distribution:	Z,MS
Growth form:
Endemic status:
Red data list status:
Insects (whose larvae eat this species):
Spot characters:	Display spot characters for this species
Content last updated:	Friday 11 November 2011
Literature:	Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 234. (Includes a picture). Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 626 - 627. (Includes a picture). Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 373 - 374. (Includes a picture). 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. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 94. Schelpe, E.A.C.L.E. (1970). Pteridophyta FZ Page 185. (Includes a picture).

Other sources of information about Asplenium preussii:

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