Christella - Thelypteridaceae

Christella guineensis (H.Christ) Holttum






Dryopteris guineensis H.Christ
Thelypteris guineensis (H.Christ) Alston

Common name


Rhizome short-creeping or ± erect. Fronds monomorphic, densely tufted. Stipe 25–56 cm long, glabrous or with minute capitate hairs. Lamina deeply 2-pinnatifid, narrowly oblong in outline, with 1–4 pairs of very reduced pinnae, 30–45 x 15–20 cm; pinnae narrowly oblong in outline, apex tapering to a point, up to 12 x 1.5 cm; lobes narrowly oblong to lanceolate in outline, straight or somewhat falcate, apex rounded to pointed, 6–10 x 1.5–2.2 mm, with dense small yellowish glands beneath; veins not anastomosing; sinus membranes thickened. Sori with small indusia with very few to many small yellowish glands.



guineensis: from Guinea, where this fern was first discovered.


River banks.

Distribution worldwide

See African distribution.

Distribution in Africa

Angola, Cameroon, Guinea, Liberia, Nigeria, Sierra Leone, Uganda.

Growth form



  • 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 203.
  • Verdcourt, B (2006) Thelypteridaceae.Flora of Tropical East Africa, Pages 13 - 17.