Pteris linearis Poir.

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Synonyms: Pteris hildebrandtii sensu Tardieu
Pteris nemoralis Bory ex Willd.
Pteris normalis D.Don
Common names:
Frequency: Local
Rhizome erect; rhizome scales linear-lanceolate in outline, ± 5 mm long, with dark shiny centre stripe and pale margins. Fronds tufted, 1–2 m tall. Stipe straw-coloured, dull pale brown to reddish and with scattered scales near base, 50–80 cm long. Lamina ± oblong in outline, 60–70 × 35 cm, pinnate with lower pinnae branched near base; upper pinnae in 6–15 pairs, narrowly oblong in outline, 8–30 × 2–6 cm, apex usually abruptly ending in a long tail-like tip, sterile margins entire; ultimate segments in 15–30 pairs, narrowly oblong or ± curved like a sickle, 0.8–3.5 cm long, 4–8 mm wide, apex rounded, sometimes ± glandular beneath; veins joined only at base of sinus, the areoles broadly triangular bordered by the costa of the pinna; costa above with spinules at junction with costulae. Sori up to 3 cm long, occupying up to 5/6th of length of segments.
Type location:
Notes: This species can be recognized by a pinnate lamina with branched lower pinnae near base, anastomising veins and rounded entire apices of pinna lobes.
Derivation of specific name: linearis: linear
Habitat: On riverbanks near waterfalls, places moist at least during the rains and shaded by the fringing trees.
Altitude range: 1250 - 1260 m
Worldwide distribution: West to East Africa, Comoro Isl., Madagascar, Réunion, Zambia and Zimbabwe (?, by J.P. Roux), also in the paleotropics
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

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 70 - 71.

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 9.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 81.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 174.

Verdcourt, B. (2002). Pteridaceae Flora of Tropical East Africa Page 24.

Other sources of information about Pteris linearis:

Our websites:

Flora of Caprivi: cultivated Pteris linearis
Flora of Zimbabwe: Pteris linearis

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Pteris linearis., retrieved 28 September 2023

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