Ophioglossum costatum R.Br.

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Ophioglossum costatum

Photo: Petra Ballings
Hippo Pools, Umfurudzi Safari area

Ophioglossum costatum

Photo: Petra Ballings
Hippo Pools, Umfurudzi Safari area

Ophioglossum costatum

Photo: Petra Ballings
Hippo Pools, Umfurudzi Safari area

Ophioglossum costatum

Photo: Petra Ballings
Hippo Pools, Umfurudzi Safari area

Ophioglossum costatum

Photo: Petra Ballings
Hippo Pools, Umfurudzi Safari area

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Ophioglossum aphrodisiacum Welw. ex Hook. & Baker
Ophioglossum felixii Tardieu
Ophioglossum fibrosum Schumach.
Common names:
Frequency:
Status: Native
Description:
Rhizome globose, up to 15 mm in diameter; roots dens, radiating, wiry. Leaves up to 4 but mostly 2, held at 60-80° from the horizontal, dull green. Petiole up to 5.5 cm long, subterranean for most of its length (70-90%). Sterile lamina up to 75 × 30 mm, lanceolate to narrowly ovate in outline, apex pointed to rounded, base rounded to narrowly wedge-shaped, with an apparent pseudo-midrib formed by elongated meshes of the venation; fertile segment up to 25 cm long, inserted at or just above the base of the lamina. Sporangia up to 50 pairs.
Notes: Could be confused with O. gomezianum which has bright to yellowish green leaves with no prominent pseudo-midrib on the under surface of the lamina. O. rubellum has dark green leaves that are held at up to 20° from the horizontal or appressed to the ground.
Derivation of specific name: costatum: ribbed, referring to the apparent pseudo-midrib on the sterile lamina.
Habitat: On seasonally moist, shallow soils, on sand overlying rocks, at the edge of pans in open to slightly shaded positions.
Altitude range: (metres) 450 - 1550 m
Worldwide distribution: Widespread in southern and tropical Africa, Madagascar, India and Australia.
Zimbabwe distribution: N,W,C,E,S
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Saturday 23 February 2013
Literature:

Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 48. (Includes a picture).

Burrows, J.E. , Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 82.

Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 128 - 129. (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 12.

Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 166 - 167. (Includes a picture).

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 36 - 37.

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 8.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 32.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 33.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 38. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 15.


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Other sources of information about Ophioglossum costatum:

Our websites:

Flora of Botswana: Ophioglossum costatum
Flora of Malawi: Ophioglossum costatum
Flora of Mozambique: Ophioglossum costatum
Flora of Zambia: Ophioglossum costatum

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Zimbabwe: Species information: Ophioglossum costatum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=100240, retrieved 18 November 2017

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