Ophioglossum convexum J.E. Burrows

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
Rhizome linear, sometimes with persistent leaf bases; roots horizontal. Leaves up to 2 but mostly 1, appressed to the ground or held at 30° from the horizontal, dull midgreen in colour. Petiole up to 2.5 cm long, subterranean for most of its length. Sterile lamina 10-13 × 6-10 mm, ovate to broadly ovate in outline, apex pointed to rounded with a short mucro, base broadly wedge-shaped to truncate; fertile segment 3-10 cm long, inserted at or just below the base of the lamina. Sporangia 6-15 pairs.
Notes: Could be mistaken for O. rubellum which usually has 2 leaves that are held at 10-20° of the ground and have a concave (not convex) upper surface. O. rubellum has dark green leaves with an orange to reddish tinge.
Derivation of specific name: convexum: convex, the leaves have a curved appearance when viewed from above.
Habitat: In South Africa found in montane grassland, on shallow, sandy soils or reddish, sandy loams in high rainfall areas.
Altitude range: (metres) 1430 m (approx)
Worldwide distribution: Madagascar, Malawi, South Africa, Zambia, Zimbabwe
Zimbabwe distribution: C
Growth form(s): 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. Pages 42 - 43. (Includes a picture).

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 36. (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 114 - 115. (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 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.


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Other sources of information about Ophioglossum convexum:

Our websites:

Flora of Malawi: Ophioglossum convexum
Flora of Zambia: Ophioglossum convexum

External websites:

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


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 convexum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=100230, retrieved 23 September 2017

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