Home | > | List of families | > | Sinopteridaceae | > | Cheilanthes | > | involuta |
Synonyms: |
Cheilanthes viridis (Forssk.) Sw. var. obscura N.C. Anthony Pellaea involuta (Sw.) Baker var. obscura (N.C. Anthony) N.C. Anthony Pellaea viridis (Forssk.) Prantl var. involuta sensu Schelpe and sensu W. Jacob and sensu Kornas |
Common names: | |
Frequency: | |
Status: | |
Description: |
Rhizome shortly creeping to ascending, c. 4 mm in diameter; rhizome scales reddish brown sometimes with central dark stripe, apex slowly tapering to a point, margin entire, sometimes minutely toothed, up to 6 mm long. Fronds tufted, herbaceous to coriaceous. Stipe dark brown, grooved, set with brown to blackish scales up to 3 mm long, more so at the base. Lamina 3-24 cm × 2-13 cm, ovate to subdeltate in outline, 2-pinnate to 3-pinnatifid; ultimate segments oblong-ovate to subhastate, venation obscure, free, upper surface hairless, undersurface set with a few lanceolate scales along the costules. Rhachis and secondary rhachises with brown, lanceolate, hairlike scales. Sori linear, marginal; indusium continuous, suberose. |
Notes: | Not listed in Germishuizen & Meyer, Strelitzia 14 (2003) |
Derivation of specific name: | involuta: inrolled, referring to the sometimes inrolled pinnule margin; obscura: obscure, venation not being very visible |
Habitat: | |
Worldwide distribution: | Angola, Botswana, DRC, Kenya, Lesotho, Madagascar, Mozambique, Naminia, Socotra, South Africa, Tanzania, Uganda, Zambia, Zimbabwe |
Botswana distribution: | |
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. Page 145. (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 386 - 387. (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 14. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 287 - 288. As P. viridis var. involuta (Sw.) Schelpe (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 59. As P. viridis var. involuta (Sw.) Schelpe 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 64. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 183. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 136. As P. viridis var. involuta (Sw.) Schelpe Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 15. |
Home | > | List of families | > | Sinopteridaceae | > | Cheilanthes | > | involuta |