Home | > | List of families | > | Adiantaceae | > | Vittaria | > | ensiformis |
Synonyms: |
Haplopteris ensiformis (Sw.) E.H.Crane Oetosis ensiformis (Sw.) Greene Vittaria elongata Sw. var. ensiformis (Sw.) C.Chr. |
Common names: | |
Frequency: | Rare |
Status: | |
Description: |
Rhizome shortly creeping; rhizome scales shiny brown, 6-9 mm long, narrowly lanceolate in outline, apex with hair-like tip, margins sparsely ciliate. Fronds simple, arching out from tree trunk, seldom pendulous; stipe absent with the lamina extending to the rhizome. Lamina linear, up to 35 × 0.45 cm, base green or pale brown when dry; midrib hardly visible, not raised. Sori in two continuous lines just inside the lamina margin. |
Notes: | The broad lamina combined with green frond base, ciliate rhizome scales and outward arching fronds separates Vittaria ensiformis from other species. |
Derivation of specific name: | ensiformis: shaped like a two-edged sword, tapering to a point. |
Habitat: | Low-level epiphyte on the boles of large trees along rivers in evergreen, lowland forest.
In Zimbabwe only known from Makurupini Forest. |
Altitude range: (metres) | 340 - 390 m |
Worldwide distribution: | Madagascar, Mauritius, Tanzania, Zimbabwe |
Zimbabwe distribution: | E |
Growth form(s): | Epiphyte. |
Endemic status: | |
Red data list status: | Endangered |
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 111. (Includes a picture). Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 170. 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 10. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Pages 83 - 84. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 73. |
Home | > | List of families | > | Adiantaceae | > | Vittaria | > | ensiformis |