Humata - Davalliaceae

Humata repens (L.f.) Diels

 

 

 

 

Synonyms

Adiantum repens L.f.
Davallia repens (L.f.) Kuhn
Humata pedata (Sm.) J.Sm.
Davallia pedata Sm.

Common name

Description

Rhizome slender, long creeping; rhizome scales peltate, red-brown, darker in the center, with clear extensions. Fronds spaced apart, fertile and sterile nearly alike, coriaceous. Stipe 2–12 cm long, light brown, channelled, with scales at the base. Lamina pinnatifid-pinnate, deltoid in outline, 5-20 cm long, as wide as long, divided almost to the rhachis; pinnae linear-oblong in outline, apex rounded, margins scalloped; veins thick, pinnate; lower pinnae sometimes completely free, lobed, basiscopicaly developed. Sori submarginal, small, each exceeded by a tooth in the fertile leaves; indusium almost semi-circular.

Notes

Derivation

repens: creeping.

Habitat

Wet forest, riparian forest.

Distribution worldwide

Africa, tropical Asia, australia, China, Comoro Isl., Japan, Madagascar, Mauritius, Principe, Réunion, Sao Tomé, Seychelles.

Distribution in Africa

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

Growth form

Epiphytic.

Literature

  • Lawalrée, A. (1993) Davalliaceae.Flore d' Afrique Centrale, Pages 6 - 7. (Includes a picture).
  • 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 107.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3.Flore du Cameroun, Pages 120 - 121. (Includes a picture).
  • Thardieu-Blot, M.L. (1964) Ptéridophytes vol.8.Flore du Gabon, Page 92.

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