| Home | > | List of families | > | Hymenophyllaceae | > | Abrodictyum | > | rigidum |
Abrodictyum rigidum
Selected images: Click on each image to see a larger version and details of the record View all images (6)
Photo: Petra Ballings
Small tributary of upper Nhandar river, Mt. Gorongosa
Photo: Petra Ballings
Small valley North-east of Mt Binga, Chimanimani Mts
Photo: Petra Ballings
Small valley North-east of Mt Binga, Chimanimani Mts
Detailed records: Display species records QDS maps by: Google Maps Point records by Google Maps
Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Cephalomanes rigidum (Sw.) K.Iwats. Selenodesmium rigidum (Sw.) Copel. Trichomanes rigidum Sw. |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Fronds tufted, erect to pendant. Rhizome shortly creeping to suberect, c. 3 mm in diameter, covered with dark brown hairs. Stipe up to 22 cm long, with a few small scales near the base. Lamina up to 24 × 13 cm, 3-4 pinnatifid, narrowly ovate to lanceolate in outline, membranous but tough and leathery. Pinnae uniformly developed, ultimate lobes narrowly linear, attenuate, glabrous on both surfaces. Rhachis winged distally. Sori c. 1.5 × 0.7 mm, narrowly conical, borne near the costules of the pinnules on the acroscopic side, not winged; receptacles long, persistent, extruding beyond the sori valves. |
| Type location: |
|
| Notes: | A. rigidum has a stiff, upright habit and finely divided fronds, this makes it easy to distinguish from other Hymenophyllaceae. |
| Derivation of specific name: | rigidum: rigid, stiff; the fronds of this species are erect and tough |
| Habitat: | Lithophytic in deeply shaded, continually moist boulders and earth-banks in evergreen forest, along streams and in the spray of or close to waterfalls and rapids. Always in very dark and continually wet areas. |
| Altitude range: (metres) | 1370 - 1890 m |
| Worldwide distribution: | Tropical and Southern Africa, also known from the Indian Ocean islands, South and Central America and the West Indies. |
| National distribution: | Z,MS |
| 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 90 - 92. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 84. Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 12. As Cephalomanes rigidum Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 148 - 149. (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 11. As Cephalomanes rigidum Fischer E. & Lobin W. (2024). Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda. Willdenowia 53(3) Page 162. Fischer, E. & Killmann, D. (2008). Illustrated Field guide to the Plants of Nyungwe National Park Rwanda. University of Koblenz-Landau. Page 102. (Includes a picture). Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 190 - 191. (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 73 - 74. 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. Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 32. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 48. (Includes a picture). Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 38. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 78. (Includes a picture). Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78. |
Other sources of information about Abrodictyum rigidum:
Our websites:
Flora of Burundi: Abrodictyum rigidumFlora of Malawi: Abrodictyum rigidum
Flora of Rwanda: Abrodictyum rigidum
Flora of Zambia: Abrodictyum rigidum
Flora of Zimbabwe: Abrodictyum rigidum
External websites:
African Plants: A Photo Guide (Senckenberg): Abrodictyum rigidumBHL (Biodiversity Heritage Library): Abrodictyum rigidum
EOL (Encyclopedia of Life): Abrodictyum rigidum
GBIF (Global Biodiversity Information Facility): Abrodictyum rigidum
Google: Web - Images - Scholar
iNaturalist: Abrodictyum rigidum
IPNI (International Plant Names Index): Abrodictyum rigidum
JSTOR Plant Science: Abrodictyum rigidum
Mansfeld World Database of Agricultural and Horticultural Crops: Abrodictyum rigidum
Plants of the World Online: Abrodictyum rigidum
Tropicos: Abrodictyum rigidum
Wikipedia: Abrodictyum rigidum
| Home | > | List of families | > | Hymenophyllaceae | > | Abrodictyum | > | rigidum |