Pteris intricata C.H. Wright

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Synonyms: Pteris adamii Tardieu
Common names:
Status: Native
Rhizome up to 1.2 cm. in diameter, erect; rhizome-scales up to 1 cm. long, dark brown, linear-lanceolate in outline, margin entire. Stipe 63 cm long, 8 mm in diameter, light brown to castaneous, with sparse stout erect or recurved spines up to 3 mm. long, glabrous except for numerous scales similar to those on the rhizome about the base. Fronds tufted, arching, herbaceous. Lamina almost as broad as long, up to 1 × 0.9 m., ovate to broadly ovate in outline, 3–4-pinnatifid. Lowest pinnae up to 56 cm. long and developed basiscopically; pinnae narrowly triangular in outline, petiolate; the costae and costules of larger pinnae sparsely set with stout spines on the undersurface and with a spine at the junction of main veins on the upper surface; ultimate lobes c. 4 mm. broad, narrowly oblong to linear in outline, apex round to pointed, with the sterile margins of the fertile and sterile segments toothed, glabrous on both surfaces; veins free; rhachis and secondary rhachises castaneous, with sparse stout erect spines up to 2 mm. long. Sori linear, marginal in basal half of the segments; indusium entire, membranous.
Type location:
Notes: This species can be recognized by a 2-pinnate lamina , free veins and a rhachis with stout spines.
Derivation of specific name: intricata: entangled, a reference to the much divided fronds.
Habitat: In evergreen swamp forest or riverside forest, on wet soils and in deep shade.
Altitude range: 1200 - 1400 m
Worldwide distribution: Angola, Bioko, Burundi, Cameroon, Congo, DRC, Ghana, Guinea, Kenya, Madagascar, Mali, Mozambique, Nigeria, Rwanda, Sierra Leone, Tanzania, Uganda, Zambia.
Zambian distribution (Flora Zambesiaca): N
Zambian distribution (Provinces):
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

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 238 - 239. (Includes a picture).

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 70.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 15.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 79.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 173.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 117.

Other sources of information about Pteris intricata:

Our websites:

Flora of Malawi: Pteris intricata
Flora of Mozambique: Pteris intricata

External websites:

African Plants: A Photo Guide (Senckenberg): Pteris intricata
African Plant Database: Pteris intricata
BHL (Biodiversity Heritage Library): Pteris intricata
EOL (Encyclopedia of Life): Pteris intricata
ePIC (electronic Plant Information Center): Pteris intricata
Flora Zambesiaca web site: Pteris intricata
GBIF (Global Biodiversity Information Facility): Pteris intricata
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Pteris intricata
iNaturalist: Pteris intricata
IPNI (International Plant Names Index): Pteris intricata
JSTOR Plant Science: Pteris intricata
Kew Herbarium catalogue: Pteris intricata
Mansfeld World Database of Agricultural and Horticultural Crops: Pteris intricata
Plants of the World Online: Pteris intricata
Tropicos: Pteris intricata
Wikipedia: Pteris intricata

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-21

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2021). Flora of Zambia: Species information: Pteris intricata., retrieved 17 October 2021

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