Triplophyllum - Tectariaceae

Triplophyllum jenseniae (C.Chr.) Holttum

Photo: C. Jongkind






Ctenitis jenseniae (C.Chr.) Tardieu
Dryopteris jenseniae C.Chr.

Common name


Rhizome creeping; rhizome scales lanceolate in outline, margins entire, brown, cells elongated and thin-walled. Fronds monomorphic, spaced, coriaceous, gemmiferous. Stipe 30 cm long, dark brown, grooved, base with similar scales as the rhizome, on the underside, a very short pubescence of red articulated hairs. Lamina bipinnate, triangular-lanceolate in outline, 30 x 20 cm, brownish when dry; apical pinnae pinnate, sessile, sickle-shaped, apex tapering, c. 5 cm long; middle pinnae shortly petiolate, pinnules lanceolate, base decurrent, margin entire, first basal pinnules more developed, lobed; rhachis and costa with some articulated hairs and some scales on the underside; veins pinnate in the lobes. Sori round; indusium small.



jenseniae: J.M.Jensen first discovered this fern in DRC.


Edges of tracks and rivers, swamp forest in Raphia.

Distribution worldwide

See African distribution.

Distribution in Africa

Cameroon, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Guinea, Liberia.

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 197.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3.Flore du Cameroun, Pages 268 - 270.