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Synonyms: |
Gleichenia linearis (Burm.f.) C.B.Clarke Mertensia linearis (Burm.f.) Fritsch Polypodium linearis Burm.f. |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Rhizome widely creeping, glabrous at maturity. Fronds spaced apart. Stipe up to 1 m long, golden brown, glabrous. Lamina 2-3 times dichotomously divided with a pair of reduced pinnae present at each fork of the divisions; pinnae narrowly lanceolate, deeply pinnatifid. Pinnule lobes 15-30 × 4 mm, linear-oblong, glabrous on both surfaces, borne only on the ultimate branches, the other axes naked. Sori subcircular, c. 1 mm in diameter, arranged in two rows along the midrib of the pinnule lobes; exindusiate. |
Type location: |
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Notes: | Differs from Gleichenia polypodioides by having superficial sori that are not sunken into the lamina and pinnules that are linear. |
Derivation of specific name: | linearis: linear, referring to the long pinnules. |
Habitat: | Along moist streambanks, forest margins and roadsides, in light shade or exposed. |
Altitude range: (metres) | Up to 2000 m |
Worldwide distribution: | Widespread in tropical Africa, Madagascar region and pantropical. |
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 |
Images last updated: | Thursday 8 December 2011 |
Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 54. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 82. As Dicranopteris linearis (Kunze) Moore Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 20. Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 172 - 173. (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 Dicranopteris linearis linearis 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 84. (Includes a picture). Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 184 - 185. (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 74 - 75. 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 31. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Pages 39 - 40. (Includes a picture). Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 49. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 50 - 52. (Includes a picture). Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78. |
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