Home | > | List of families | > | Ophioglossaceae | > | Ophioglossum | > | costatum |
Synonyms: |
Ophioglossum aphrodisiacum Welw. ex Hook. & Baker Ophioglossum felixii Tardieu Ophioglossum fibrosum Schumach. |
Common names: | |
Frequency: | |
Status: | |
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: | |
Derivation of specific name: | costatum: ribbed, referring to the apparent pseudo-midrib on the sterile lamina. |
Habitat: | |
Altitude range: | |
Worldwide distribution: | Widespread in southern and tropical Africa, Madagascar, India and Australia. |
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. 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. Germishuizen, G. & Meyer, N.L. (eds) (2003). Plants of southern Africa: an annotated checklist. Strelitzia 14 Page 77. 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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