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Marsilea macrocarpa
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Photo: Petra Ballings
Hwange, on turn of road to N.P.
Photo: Petra Ballings
Guvalala dam, Hwange N.P.
Photo: Petra Ballings
Guvalala dam, Hwange N.P.
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Marsilea dregeana A. Braun Marsilea fischeri Hieron Marsilea rotundata A. Braun |
| Common names: | |
| Frequency: | |
| Status: | |
| Description: |
Floating form: stipe 15-30 cm long. Leaflets 15-23 mm long and wide, hairless, broadly obdeltate often with concave flanks, outer margin rounded, entire. Dry land form: stipe 3-21 cm long. Leaflets 4-25 mm long and wide, flanks straight or slightly concave, outer margins shallowly crenate to irregularly incised, slightly hairy when young. Sporocarps: solitary, fluctuating in size, 3.5-7 mm long, 3-5.5 mm high, 1.5-2 mm thick; elliptic or more or less rectangular to subcircular in lateral view, rectangular in vertical cross-section with the sides sometimes concave, grooved on the upper and outer side, slightly hairy; lateral ribs more or less visible in young specimens; lower tooth absent, upper tooth a short hump or an obtuse point. Sporocarp set at an angle of 90° to almost 180° to the pedicel; pedicels up to 7-12 mm long, erect or arching, free, single, arising from the base of the stipe. |
| Notes: | |
| Derivation of specific name: | macrocarpa: with large fruits or sporocarps. |
| Habitat: | |
| Worldwide distribution: | Angola, DRC, Botswana, Kenya, Namibia, Tanzania, South Africa, Uganda, Zimbabwe. |
| Botswana distribution: | |
| 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 74 - 75. (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 248 - 249. (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 482 - 483. (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 176. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 56. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 64. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 15. |
Other sources of information about Marsilea macrocarpa:
Our websites:
Flora of Zimbabwe: Marsilea macrocarpaExternal websites:
African Plants: A Photo Guide (Senckenberg): Marsilea macrocarpaBHL (Biodiversity Heritage Library): Marsilea macrocarpa
EOL (Encyclopedia of Life): Marsilea macrocarpa
GBIF (Global Biodiversity Information Facility): Marsilea macrocarpa
Google: Web - Images - Scholar
iNaturalist: Marsilea macrocarpa
IPNI (International Plant Names Index): Marsilea macrocarpa
JSTOR Plant Science: Marsilea macrocarpa
Mansfeld World Database of Agricultural and Horticultural Crops: Marsilea macrocarpa
Plants of the World Online: Marsilea macrocarpa
Tropicos: Marsilea macrocarpa
Wikipedia: Marsilea macrocarpa
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