Lonchitis - Lindsaeaceae

Lonchitis occidentalis Baker

 

 

 

 

Synonyms

Antiosorus occidentalis (Baker) Kuhn
Anisosorus occidentalis (Baker) C.Chr.
Pteris glaberrima Mett. ex Kuhn
Lonchitis friesii Brause

Common name

Description

Rhizome short- to long-creeping, ± succulent, c.6 mm in diameter when dry, with pale brown hairs c. 1 mm long. Stipe straw-coloured to red or purple, thick, 12–50 cm long, with scattered pale hairs c. 1 mm long. Fronds 1–2 cm apart. Lamina somewhat fleshy, 18–50 cm long, pinnate-pinnatifid to bipinnate-tripinnatifid, oblong to deltate in outline, apex tapering to a point. Pinnae opposite or subopposite, oblong in outline, 8.5-25(–45) × 2.1-15(–25) cm wide, lower ones petiolate, upper ones sessile and adnate, with short hairs set along the costae, rhachis and costules, veins mostly free, ultimate lobes rounded. Sori marginal, ± 2 mm long, linear or curved, borne in and around sinuses of ultimate segments; indusium pale, hairless, membranous.

Notes

Derivation

occidentalis: occidental, western.

Habitat

Stream sides or spray of waterfalls in evergreen forest, Cyathea forest, swampy places, granite rocks in stream valleys, roadside banks.

Distribution worldwide

Tropical Africa and Madagascan region.

Distribution in Africa

Angola, Cameroon, Central African Republic, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Ghana, Guinea, Liberia, Nigeria, Tanzania , Uganda, Zambia.

Growth form

Terrestrial.

Literature

  • Kornas, J. (1979) Distribution and ecology of the Pteridophytes in Zambia. Polska Akademia Nauk Wydzial II Nauk Biologicznych. Page 85.
  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13 Page 94.
  • Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Page 143.
  • Schelpe, E.A.C.L.E. (1970) Pteridophyta. Flora Zambesiaca, 0 Pages 86 - 87. (Includes a picture).
  • Verdcourt, B. (1999) Dennstaedtiaceae. Flora of Tropical East Africa, Page 26. (Includes a picture).
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