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Synonyms: |
Asplenium achilleifolium (Lam.) C.Chr. Asplenium bipinnatum (Forssk.) C.Chr. Asplenium rutifolium (P.J. Bergius) Kunze var. bipinnatum (Forssk.) Schelpe Caenopteris rutifolium P.J. Bergius Lonchitis bipinnatum Forssk. |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Rhizome erect, up to 25 mm wide and 40mm long; scales dark brown, up to 9 × 1.2 mm, margin subentire, linear-lanceolate to narrowly triangular. Fronds tufted, not proliferous, coriaceous. Stipe up to 18 cm, glabrous at maturity, pale straw-coloured to matt brown when dry. Lamina 7-30 cm × 2.8-11 cm, 2- to 3-pinnatifid, oblong-lanceolate in outline. Pinnae hairless or with few small scales below, deeply incised into linear-oblanceolate lobes but with a 2-9 lobed acroscopic basal segment or with some of the lower segments sometimes 2-fid, angled forward at c. 45°. Sori one per lobe,oval, situated on the lateral margin, half way up the lobe, facing toward the pinnae apex, indusium entire. |
Notes: | Confusion possible with A. theciferum; A. rutifolium has sori born on the side margins not on the tips of the ultimate lobes. It resembles A. dregeanum; A. rutifolium is not gemmiferous. |
Derivation of specific name: | Rutifolium: with leaves like Ruta, a genus of the Rutaceae family. |
Habitat: | Deeply shaded moist evergreen forest. Epiphyte or lithophyte. |
Altitude range: (metres) | 50 - 2000 m |
Worldwide distribution: | Africa, also Yemen and Madagascan region. |
Zimbabwe distribution: | E,S |
Growth form(s): | Epiphyte, lithophyte. |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Images last updated: | Sunday 13 November 2011 |
Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 236 - 238. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 94. 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 630 - 631. (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 26. Fisher E. & Lobin W. (2024). Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda. Willdenowia 53(3) Page 158. Fisher, E. & Lobin, W. (2023). Synoptic Revision of Aspleniaceae (Asplenium, Hymenasplenium) of Rwanda. Phytotaxa 608 (1) Page 41. (Includes a picture). Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 374 - 376. (Includes a picture). 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 170. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 95 - 96. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 185 - 187. (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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