Home | > | List of families | > | Blechnaceae | > | Blechnum | > | attenuatum |
Synonyms: |
Blechnum attenuatum (Sw.) Mett. var. giganteum (Kaulf.) Bonap. Blechnum giganteum (Kaulf.) Schltdl. Lomaria attenuata (Sw.) Willd. |
Common names: | Pink-leaved blechnum (English) |
Frequency: | |
Status: | |
Description: |
Rhizome creeping to suberect, 1-3.5 cm thick and up to 50 cm long; scales dark brown, up to 4 cm long, linear-attenuate, margins entire. Fronds dimorphic, tufted, thinly to firmly leathery. Stipe up to 12 cm, pale brown and glabrous except for scales similar to the rhizome clustered at the base. Sterile lamina 0.3-1.8 m × 4.5-36 cm, narrowly elliptic in outline, pinnate, pinnae broadly attached to the rhachis, gradually reducing downwards with lowermost pinnae rudimentary; pinnae linear-attenuate, margin entire. Fertile fronds similar in size or longer than sterile fronds with thin, linear pinnae with widened bases that are joined to the rhachis. Sori linear, covering the whole length of the fertile pinnae; indusium linear, entire. |
Notes: | |
Derivation of specific name: | attenuatum: tapering, pinnae taper to a sharp point |
Habitat: | |
Altitude range: | |
Worldwide distribution: | Central and East Africa southwards to South Africa, also in Madagascar, the Comoro and Mascarene islands. |
Malawi distribution: | C,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 |
Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 326 - 328. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 99. Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 27. as Blechnum attenuatum attenuatum (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 9. As Blechnum attenuatum attenuatum and B. attenuatum giganteum Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 728 - 729. (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 10. 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 25. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 460 - 461. as Blechnum giganteum (Includes a picture). Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 119. 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 Pages 153 - 154. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 101 - 102. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 235 - 236. Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78. |
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