Asplenium unilaterale Lam.

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Asplenium unilaterale

Photo: Petra Ballings
SRGH

Asplenium unilaterale

Photo: Petra Ballings
SRGH

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Synonyms: Asplenium resectum Sm.
Asplenium unilaterale Lam. var. majus (C.Chr.) Sledge
Hymenasplenium unilaterale (Lam.) Hayata
Common names:
Frequency:
Status:
Description:
Rhizome creeping, c.3 mm thick; scales up to 2 mm long, dark brown, lanceolate, margins entire. Fronds spaced apart. Stipe up to 13 cm long, stipe and rhachis glabrous, dark brown to almost black. Lamina 23.5 × 5 cm, pinnate, narrowly elliptic to oblong in outline. Pinnae glabrous, narrowly triangular-rhombic or shaped like a parallelogram, upper margin toothed to lobed, costa forming the lower margin for about 1/2 to 3/4 of the pinna length. Sori oval-linear, set along the veins towards the apex of the pinnae, indusium entire.
Notes:
Derivation of specific name: unilaterale: one-sided, referring to the form of the pinnae.
Habitat:
Altitude range:
Worldwide distribution: Angola, Bioko, Cameroon, Central African Republic, Cote d'Ivoire, Ethiopia, Ghana, Guinea, Kenya, Liberia, Malawi, Niger, Nigeria, Principe, Soa Tomé, Sierra Leone,Sudan, Tanzania, Uganda, Zimbabwe, Madagascan region
Malawi distribution: N,S
Growth form(s): Lithophyte, terrestrial.
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 222. (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 600 - 601. (Includes a picture).

Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 162.

Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 340 - 341. (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 172. (Includes a picture).

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 99 - 100.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 174.

Other sources of information about Asplenium unilaterale:

Our websites:

Flora of Zimbabwe: Asplenium unilaterale

External websites:

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


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 unilaterale.
https://www.malawiflora.com/speciesdata/species.php?species_id=102780, retrieved 26 August 2019

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