Ctenitis cirrhosa (Schumach.) Ching

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Ctenitis cirrhosa

Photo: 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: Rare
Status: Native
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.
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: Deeply shaded forest floors and streambanks, in low-altitiudeevergreen forest.
Altitude range: (metres) 360 - 1600 m
Worldwide distribution: Tropical Africa, Madagascar, Comoro and Mascarene Islands.
Zimbabwe distribution: E
Growth form(s): Terrestrial.
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. 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.

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 18.

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.

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 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 Caprivi: cultivated Ctenitis cirrhosa
Flora of Malawi: Ctenitis cirrhosa
Flora of Mozambique: Ctenitis cirrhosa
Flora of Zambia: Ctenitis cirrhosa

External websites:

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

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: Ctenitis cirrhosa.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=101970, retrieved 23 June 2024

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