Ctenitis cirrhosa (Schumach.) Ching

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Ctenitis cirrhosa

Picture: Petra Ballings
Haroni-Rusitu, Rusitu river

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Synonyms: Aspidium cirrhosum Schumach.
Dryopteris cirrhosa (Schumach.) Kuntze
Dryopteris trachyrachis H. christ ex Bonap.
Nephrodium cirrhosum (Schumach.) Baker
Nephrodium welwitschii Baker
Common names:
Frequency:
Status: Native
Description:
Rhizome erect or creeping; rhizome scales up to 15 mm long, entire, golden-brown, linear-attenuate. Fronds tufted, arching, thinly herbaceous. Stipe 30-50 cm long, straw-coloured, with dark brown scales with paler margins, 3-8 mm long. Lamina 2-pinnatifid, up to 90 × 44 cm, oblong-lanceolate in outline, acute, basal pinnae not reduced. Pinnae alternate, narrowly oblong, attenuate; ultimate segments narrowly oblong in outline, entire, subglabrous, short white hairs on the veins on the upper surface and the costae & costules on the lower surface. Sori small, round, 22-28 per lobe situated in 2 lines along the costules; indusia kidney shaped, brown, with minute hairs.
Type location:
Notes: Could be confused with Amauropelta bergiana which has a subglabrous rhachis & stipe (C. cirrhosa has a lower stipe which is clothed in long brown scales) and a smaller and narrower rhizome.
Derivation of specific name: cirrhosa: bearing tendrils; referring to the lang scales on the rhizome and stipe base.
Habitat: Deep shade of evergreen swamp forest.
Altitude range: 1200 - 1300 m
Worldwide distribution: Tropical Africa, Madagascar, Comoro and Mascarene Islands.
Zambian distribution (Flora Zambesiaca): N,C
Zambian distribution (Provinces): Cb
Growth form(s): 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 322 - 324. (Includes a picture).

Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 99.

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 15.

Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 453 - 454. (Includes a picture).

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 106.

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 Page 134.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 117.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 232. (Includes a picture).

Other sources of information about Ctenitis cirrhosa:

Our websites:

Flora of Malawi: Ctenitis cirrhosa
Flora of Mozambique: Ctenitis cirrhosa
Flora of Zimbabwe: Ctenitis cirrhosa

External websites:

African Plants: A Photo Guide (Senckenberg): Ctenitis cirrhosa
African Plant Database: Ctenitis cirrhosa
Biodiversity Explorer (Biodiversity of southern Africa): Ctenitis cirrhosa
BHL (Biodiversity Heritage Library): Ctenitis cirrhosa
EOL (Encyclopedia of Life): Ctenitis cirrhosa
ePIC (electronic Plant Information Center): Ctenitis cirrhosa
Flora Zambesiaca web site: Ctenitis cirrhosa
GBIF (Global Biodiversity Information Facility): Ctenitis cirrhosa
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Ctenitis cirrhosa
IPNI (International Plant Names Index): Ctenitis cirrhosa
Ispot Southern Africa: Ctenitis cirrhosa
JSTOR Plant Science: Ctenitis cirrhosa
Kew Herbarium catalogue: Ctenitis cirrhosa
Mansfeld World Database of Agricultural and Horticultural Crops: Ctenitis cirrhosa
The Plant List (version 1.1): Ctenitis cirrhosa
Tropicos: Ctenitis cirrhosa


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-18

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2018). Flora of Zambia: Species information: Ctenitis cirrhosa.
https://www.zambiaflora.com/speciesdata/species.php?species_id=101970, retrieved 11 December 2018

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