Trichomanes - Hymenophyllaceae

Trichomanes crispiforme Alston






Trichomanes crenatum Bosch
Cephalomanes crispiforme (Alston) G.Kunkel

Common name


Rhizome forming a dense turf, with numerous black-brown hairs. Fronds in tufts. Stipe 3-6 cm long, canaliculate, with numerous red hairs. Lamina pinnate, oblong in outline, apex rounded, 4-16 x 2-3 cm; pinna continuous, numerous, horizontal, the lower ones reduced, the middle ones being 1.5 x 0.3-0.4 cm, decurrent in a winged rachis, apex rounded, base wedge-shaped, slightly lobed; rhachis, costae and veins, bearing the same hairs as the stipe; veins forked. Sori often limited to the upper part of the frond; indusia cone-shaped, included, with opening slightly dilated, receptacle exserted.




On trees in deep shade in forests.

Distribution worldwide

Africa, Gulf of Guinea Islands.

Distribution in Africa

Burundi, Cameroon, Congo, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Gabon, Liberia, Nigeria, Rwanda.

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 48.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3.Flore du Cameroun, Pages 89 - 90.
  • Thardieu-Blot, M.L. (1964) Ptéridophytes vol.8.Flore du Gabon, Pages 64 - 65.