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Arachniodes webbiana
foliosa
Selected images: Click on each image to see a larger version and details of the record View all images (6)
Photo: Bart Wursten
Zovo Chipolo Trail, Nyika National Park
Photo: Bart Wursten
Zovo Chipolo Trail, Nyika National Park
Photo: Bart Wursten
Zovo Chipolo Trail, Nyika National Park
Photo: Bart Wursten
Zovo Chipolo Trail, Nyika National Park
Photo: Bart Wursten
Zovo Chipolo Trail, Nyika National Park
Photo: Bart Wursten
Zovo Chipolo Trail, Nyika National Park
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Arachniodes foliosa (C. Chr.) Schelpe Aspidium aristatum sensu Sim Dryopteris foliosa C.Chr. |
| Common names: | |
| Frequency: | Rare |
| Status: | Native |
| Description: |
Rhizome creeping, up to 7 mm in diameter; rhizome scales brown, linear-attenuate, up to 6 mm long, margin entire. Fronds spaced, arching, subcoriaceous. Stipe up to 50 cm long, straw-coloured, with small hairpointed scales in the lower half, glabrous in the upper half. Lamina up to 60 × 50 cm, broadly ovate-triangular in outline, bipinnatifid at the apex to 3-4-pinnate towards the base, basal pinnae largest, basiscopically developed and almost as long as the rest of the lamina. Pinnule lobes narrowly rhombic, aristate, dark glossy green above, paler below. Lamina hairless, except for hairpointed scales along the costae, costules and veins below. Rhachis straw-coloured with scattered hairpointed brownish scales. Sori small, up to 10 per ultimate segment; indusia circular, membranous, entire, peltate, shed at maturity. |
| Notes: | Can be recognised by the long basal pinnae which are almost as long as the lamina; the pinnae of this species are long and curved. |
| Derivation of specific name: | webbiana: named after Philip Barker Webb (1793-1854), English botanist; foliosa: leafy, referring to the much divided, herbaceous lamina. |
| Habitat: | Deeply shaded streambanks in forest, usually in evergreen Podocarpus mist forest. |
| Altitude range: (metres) | 1000 - 1850 m |
| Worldwide distribution: | Kenya, Malawi, Rwanda, South Africa, Tanzania, Uganda, Zambia, Zimbabwe. |
| Zimbabwe distribution: | E |
| Growth form(s): | Lithophyte, terrestrial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Images last updated: | Sunday 2 September 2018 |
| Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 318 - 320. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 99. Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 28. as Arachniodes foliosa (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 6. As Arachniodes foliosa Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 468 - 469. (Includes a picture). Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 24. As Arachniodes foliosa Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 450 - 451. (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 106 - 107. 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 6. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Pages 127 - 128. (Includes a picture). Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 113. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 228 - 230. (Includes a picture). |
Other sources of information about Arachniodes webbiana subsp. foliosa:
Our websites:
Flora of Malawi: Arachniodes webbiana subsp. foliosaFlora of Rwanda: Arachniodes webbiana subsp. foliosa
Flora of Zambia: Arachniodes webbiana subsp. foliosa
External websites:
African Plants: A Photo Guide (Senckenberg): Arachniodes webbianaBHL (Biodiversity Heritage Library): Arachniodes webbiana
EOL (Encyclopedia of Life): Arachniodes webbiana
GBIF (Global Biodiversity Information Facility): Arachniodes webbiana
Google: Web - Images - Scholar
iNaturalist: Arachniodes webbiana
IPNI (International Plant Names Index): Arachniodes webbiana
JSTOR Plant Science: Arachniodes webbiana
Mansfeld World Database of Agricultural and Horticultural Crops: Arachniodes webbiana
Plants of the World Online: Arachniodes webbiana
Tropicos: Arachniodes webbiana
Wikipedia: Arachniodes webbiana
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