Lastreopsis - Dryopteridaceae

Lastreopsis vogelii (Hook.) Tindale

 

 

 

 

Synonyms

Polypodium vogelii Hook.
Phegopteris vogelii (Hook.) Kuhn
Dryopteris subcoriacea C.Chr.
Ctenitis subcoriacea (C.Chr.) Alston

Common name

Description

Rhizome ascending; rhizome scales linear in outline, to 10 x 0.5 mm with long marginal processes. Fronds tufted, gemmiferous, thickly herbaceous. Stipe light brown to straw coloured, to 65 cm long, hairless, with a few scales near the base and in the grooves on the upper surface. Lamina dark green, pentagonal in outline, to 145 x 100 cm, 3-pinnate to 4-pinnatifid, upper surface hairless, lower surface covered in stout white hairs and tiny glands. Pinnae with the lowermost pair much enlarged and basiscopically developed, 30–52 x 25–30 cm. Ultimate segments oblique, narrowly oblong in outline, apex pointed to rounded; veins free, not reaching margin, with few stiff, spreading hairs on lower surface. Rhachis winged near apex, straw coloured; pinna rhachis hairy on upper surface, hairless on lower surface; costae with short brownish appressed hairs. Sori rounded, 1–1.8 mm in diameter, exindusiate.

Notes

Derivation

vogelii: named after either one of the brothers Vogel, Julius Rudolph Theodor Vogel or Eduard Vogel.

Habitat

Riverine and swamp forest.

Distribution worldwide

See African distribution.

Distribution in Africa

Cameroon, Congo, Democratic Republic of Congo, Equatorial Guinea (incl. Bioko), Nigeria, Uganda.

Growth form

Terrestrial.

Literature

  • 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 135.
  • Roux, J.P.; Shaffer-Fehre, M. & Verdcourt, B. (2007) Dryopteridaceae. Flora of Tropical East Africa, Pages 13 - 15. (Includes a picture).
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