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Synonyms: |
Asplenium anisophyllum var. elongatum Mett. Asplenium anisophyllum Sensu Sim. Asplenium anisophyllum Kunze var. latifolium Hook. |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Rhizome erect, 20 mm thick; scales brown with pale margins, lanceolate, up to 18 mm long. Fronds uniform, tufted, gemmiferous towards the base of the apical pinna. Stipe up to 14 × 0.4 cm, stipe and rhachis subglabrous. Lamina up to 80 × 17 cm, pinnate with 13 to 28 pairs of pinnae, lanceolate in outline. Pinnae lanceolate, base asymmetrical, margins irregurly incised into bilobed teeth. Sori oval, set along the veins at 30 degrees to the costa, indusium entire. |
Notes: | Confused with A. anisophyllum but A. boltonii is gemmiferous; confused with A. gemmiferum but A. boltonii has less broad pinnae with margins incised 1/3 way to the costa. |
Derivation of specific name: | boltonii: type specimen was collected by General D. Bolton in Natal. |
Habitat: | Dense shade, along streams in evergreen forest. Terrestrial, epiphyte or lithophyte. |
Altitude range: (metres) | 900 - 2000 m |
Worldwide distribution: | Africa, Madagascar region |
Zimbabwe distribution: | E,S |
Growth form(s): | Epiphyte, 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 6 October 2011 |
Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 216. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 91. Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 25. Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 7. Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 590 - 591. (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 9. 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. Fisher E. & Lobin W. (2024). Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda. Willdenowia 53(3) Page 156. Fisher, E. & Lobin, W. (2023). Synoptic Revision of Aspleniaceae (Asplenium, Hymenasplenium) of Rwanda. Phytotaxa 608 (1) Pages 9 - 10. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 334 - 335. (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 96 - 97. 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 5. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 163. (Includes a picture). Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 80. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 173. Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78. |
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