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Synonyms: |
Marsilea gymnocarpa Lepr. ex A. Braun |
Common names: | |
Frequency: | |
Status: | |
Description: |
Floating form: stipe up to 14 cm long. Leaflets up to 35 mm long, outer margin uneven with shallow indentations. Dry land form: stipe 1.5-6 cm long. Leaflets up to 7 mm long, outer margins entire to very shallowly irregular. Sporocarps: usually single, or crowded at stipe base; very glossy, shiny black, with a few flattened scales when young becoming glabrous with age, smooth with minute dots, with the black outer layer becoming detached and peeling; broadly to narrowly deltate in lateral view, vertical cross-section elliptic; lower tooth absent, upper tooth a slight hump. Sporocarp with its long axis pointing downwards; pedicels up to 3 mm long, free, arising from the axil of the stipe. |
Notes: | |
Derivation of specific name: | nubica: from Nubia, from north-east africa (Sudan); gymnocarpa: naked fruit, outer layer of sporocarp peels of leaving it "naked" beneath. |
Habitat: | |
Worldwide distribution: | Angola, Botswana, Namibia, Zimbabwe. Also Madagascar. |
Growth form(s): | Aquatic, 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 67 - 68. (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 228 - 231. (Includes a picture). Germishuizen, G. & Meyer, N.L. (eds) (2003). Plants of southern Africa: an annotated checklist. Strelitzia 14 Page 76. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 475 - 476. As M. nubica (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 177. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 57. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 15. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 179. |
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