Cheilanthes pentagona
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Photo: Petra Ballings
Kopje tops, Mavhuradonha Wilderness Area
Photo: Petra Ballings
Kopje tops, Mavhuradonha Wilderness Area
Photo: Petra Ballings
Kopje tops, Mavhuradonha Wilderness Area
Photo: Petra Ballings
Kopje tops, Mavhuradonha Wilderness Area
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| Synonyms: | |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Rhizome creeping, up to 3 mm in diameter; rhizome scales reddish brown with dark central stripe, lanceolate in outline, margin entire. Fronds closely spaced, erect, herbaceous to coriaceous, grey to midgreen. Stipe dark brown to almost black, up to 15 cm long, glabrous but with few brown scales at the base. Lamina 3.5-11 cm × 3.5-11 cm, strongly pentagonal in outline, 3-pinnatifid to 4-pinnatifid on the basal pinnae; lowest pinnae basiscopically developed. Pinnae with venation apparent on both surfaces, both surfaces glabrous, margins wavy to shallowly lobed. Rhachis very dark brown to almost black, hairless, shiny. Sori small, marginal, discrete; indusium small, discontinuous, pale, subentire to erose, membranous. |
| Type location: |
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| Notes: | |
| Derivation of specific name: | pentagona: having 5 angles, referring to the pentagonal outline of the fronds. |
| Habitat: | In crevices of dolomitic cliffs. |
| Altitude range: (metres) | |
| Worldwide distribution: | Angola, Namibia, South Africa, Zimbabwe |
| Provinces: | HI |
| Growth form(s): | Lithophyte, 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 152 - 154. (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 404 - 405. (Includes a picture). Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22 SANBI, Pretoria Page 214. 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 9. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 65. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 184. |
Other sources of information about Cheilanthes pentagona:
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Flora of Zimbabwe: Cheilanthes pentagonaExternal websites:
African Plants: A Photo Guide (Senckenberg): Cheilanthes pentagonaAfrican Plant Database: Cheilanthes pentagona
BHL (Biodiversity Heritage Library): Cheilanthes pentagona
EOL (Encyclopedia of Life): Cheilanthes pentagona
GBIF (Global Biodiversity Information Facility): Cheilanthes pentagona
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iNaturalist: Cheilanthes pentagona
IPNI (International Plant Names Index): Cheilanthes pentagona
JSTOR Plant Science: Cheilanthes pentagona
Mansfeld World Database of Agricultural and Horticultural Crops: Cheilanthes pentagona
Plants of the World Online: Cheilanthes pentagona
Tropicos: Cheilanthes pentagona
Wikipedia: Cheilanthes pentagona