Polyphlebium borbonicum (Bosch.) Ebihara & Dubuisson

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Polyphlebium borbonicum

Photo: Petra Ballings
Tessa's pool, Haroni river, Chimanimani

Polyphlebium borbonicum

Photo: Petra Ballings
Nyamkombe River, Aberfoyle, Honde Valley

Polyphlebium borbonicum

Photo: Petra Ballings
Nyamkombe River, Aberfoyle, Honde Valley

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Synonyms: Crepidomanes borbonicum (Bosch) J.P.Roux
Trichomanes borbonicum Bosch
Trichomanes goetzei Hieron.
Vandenboschia borbonica (Bosch) G. Kunkel
Common names:
Rhizome creeping, filiform; covered with long brown unbranched hairs, hairs up to 1 mm long. Fronds spaced apart. Stipe 6-30 mm long, narrowly winged in distal half to three quarters, glabrous. Rhachis winged. Lamina 25-65 × 15-50 mm, ovate to narrowly dentate to lanceolate in outline, base truncate to broadly cuneate, 2- or 3-pinnatifid; pinnae spreading at 45 to 90° from the rhachis; ultimate lobes linear, entire, rounded, false veins or drying fold absent. Sori narrowly obconical, about twice as long as wide, borne in the upper half of the frond, narrowly winged by the lamina for its whole length, soral lips flared.
Derivation of specific name: borbonicum: of Bourbon; this fern was first described from Bourbon, the original name for Réunion.
Altitude range:
Worldwide distribution: Southern Africa, central and tropical Africa, Madagascar and the Mascarenes.
Malawi distribution: 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

Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 93. (Includes a picture).

Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 84.

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 56. As Trichomanes borbonicum

Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 150 - 151. (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 Crepidomanes borbonicum

Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 189 - 190. (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 7.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 45.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 47 - 48.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 76. (Includes a picture).

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78.

Other sources of information about Polyphlebium borbonicum:

Our websites:

Flora of Mozambique: Polyphlebium borbonicum
Flora of Zimbabwe: Polyphlebium borbonicum

External websites:

African Plants: A Photo Guide (Senckenberg): Polyphlebium borbonicum
BHL (Biodiversity Heritage Library): Polyphlebium borbonicum
EOL (Encyclopedia of Life): Polyphlebium borbonicum
GBIF (Global Biodiversity Information Facility): Polyphlebium borbonicum
Google: Web - Images - Scholar
iNaturalist: Polyphlebium borbonicum
IPNI (International Plant Names Index): Polyphlebium borbonicum
JSTOR Plant Science: Polyphlebium borbonicum
Mansfeld World Database of Agricultural and Horticultural Crops: Polyphlebium borbonicum
Plants of the World Online: Polyphlebium borbonicum
Tropicos: Polyphlebium borbonicum
Wikipedia: Polyphlebium borbonicum

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Malawi: Species information: Polyphlebium borbonicum.
https://www.malawiflora.com/speciesdata/species.php?species_id=100520, retrieved 18 June 2024

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