Crepidomanes inopinatum (Pic. Serm.) J.P. Roux

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Crepidomanes inopinatum

Photo: Petra Ballings
John Meikle Forestry Estate, Stapleford

Crepidomanes inopinatum

Photo: Petra Ballings
Path to spice garden, Nyamkombe River, Aberfoyle, Honde Valley

Crepidomanes inopinatum

Photo: Petra Ballings
Path to waterfall, Mtarazi Falls, Inyanga

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Synonyms: Crepidomanes inopinatum (Pic.Serm.) J.P.Roux var. majus (Taton) J.P.Roux
Trichomanes inopinatum (Pic.Serm.) J.E. Burrows
Vandenboschia inopinata Pic. Serm.
Common names:
Status: Native
Rhizome less than 0.5 mm in diameter, widely creeping, rhizome hairs very dark brown to dull black, unbranched. Fronds spaced apart. Stipe 5-35 mm long, winged in upper part only, glabrous or set with a few brown, nonarticulated hairs. Lamina variable, 8-75 × 8-30 mm, 2- or 3-pinnatifid; ultimate lobes narrowly oblong, c. 0.7 mm broad, drying fold present. Sori obconical, c. 1.5 × 1 mm, narrowly winged for most of their length, valves rounded, entire.
Notes: Can be confused with C. melanotrichum: C. melanotrichum has a stipe that is narrowly winged throughout (only in the upper quarter to half in C. inopinatum) and that has black articulated hairs in 2 rows or leftover stubs (absent or few brown in C. inopinatum). The rhizome hairs are shiny black in C. melanotrichum and dark brown to dull black in C. inopinatum. Can be distinguished from P. borbonicum : P. borbonicum has a stipe that is winged in the distal half to three quarters, has no stipe hairs, the drying fold is absent and rhizome hairs are brown. The sorus is twice as long as wide (as long as wide in C. inopinatum).
Derivation of specific name: inopinatum: unexpected, it was a surprise to find another species in the genus.
Habitat: Epiphytic or sometimes lithophytic in moist deeply shaded evrgreen forest.
Altitude range: (metres) 860 - 2000 m
Worldwide distribution: Southern Africa, central and tropical Africa, Madagascar and Mascarene islands.
Zimbabwe distribution: E
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: Saturday 10 March 2012

Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 93 - 94. (Includes a picture).

Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Page 158. (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 39 - 40.

Other sources of information about Crepidomanes inopinatum:

Our websites:

Flora of Caprivi: cultivated Crepidomanes inopinatum
Flora of Malawi: Crepidomanes inopinatum

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Crepidomanes inopinatum., retrieved 25 June 2024

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