Abrodictyum - Hymenophyllaceae

Abrodictyum cupressoides (Desv.) Ebihara & Duboisson






Trichomanes cupressoides Desv.
Selenodesmium cupressoides (Desv.) Copel.

Common name


Rhizome erect. Fronds tufted, leathery. Stipe 10-15 cm long, not very narrowly winged at the top, with black, scattered hairs. Lamina tripinnate-quadripinnatifid, deltoid-oval in outline, 15-20 cm long; pinnae shortly petiolate, forming a right angle with the rhachis, the upper ones decurrent into a more or less narrow wing, spaced about 1 cm apart, little oblique, about 3 cm long; pinnules 0.5 cm long, oblong in outline, apex rounded, regularly dissected to the 2nd order winged rhachis; ultimate segments linear in outline, apex rounded, often rolled up when dry. Sori generally 1 per pinnule, located on the first anterior basal lobe, not submerged; indusia cylindrical, receptacle long-exserted.




Wet rocks and banks by streams in shaded forest or epiphyte, up to 1585m.

Distribution worldwide

Africa, Comores (Anjouan), Madagascar, Mauritius, Réunion, Seychelles.

Distribution in Africa

Cameroon, Congo, Gabon, Ghana, Guinea, Ivory Coast, Liberia, Nigeria.

Growth form

Epiphytic, lithophytic, terrestrial.


  • 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 37.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3.Flore du Cameroun, Pages 90 - 91.
  • Thardieu-Blot, M.L. (1964) Ptéridophytes vol.8.Flore du Gabon, Page 65. As Trichomanes cupressoides Desv.