Crepidomanes - Hymenophyllaceae

Crepidomanes chevalieri (H. Christ) Ebihara & Dubuisson

 

 

 

 

Synonyms

Trichomanes chevalieri Christ
Vandenboschia chevalieri (Christ.) Kunkel

Common name

Description

Rhizome filiform, creeping, with dense unbranched brown hairs to 0.5 mm long. Fronds spaced at 0.5–2 cm intervals. Stipe 2–25 mm long, glabrous except for the base, near apex with some minute scales when young. Lamina dark green, flabelliform, irregularly and rather deeply divided into 5–6 main divisions, 1–2.5 x 1–2.5 cm; ultimate segments linear, 1–2 mm long and up to 0.8 mm wide, obtuse to slightly emarginate; false veins absent; when dry with longitudinal pleats; with some minute scales when young. Sori terminal on segments in lower and middle part of lamina, less often in upper part as well; indusium obconic to urceolate, 1–1.5 mm long, 0.5–1 mm in diameter, slightly winged, the lips flared to 1.5 mm diameter; receptacle exserted to 2.5 mm.

Notes

Derivation

chevalieri: named after Auguste Jean Baptiste Chevalier (1873-1956), a French botanist, taxonomist, plant collector and explorer.

Habitat

Moist forest, a low epiphyte or less aften on spray-zone rocks.

Distribution worldwide

See African distribution.

Distribution in Africa

Burundi, Cameroon, Central African Republic, Chad, Congo, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Ethiopia, Ghana, Guinea, Ivory Coast, Kenya, Liberia, Nigeria, Rwanda, Sierra Leone, Sudan and South Sudan, Tanzania , Uganda.

Growth form

Epiphytic, lithophytic.

Literature

  • Beentje, H.J. (2008) Hymenophyllaceae. Flora of Tropical East Africa, Pages 19 - 1.
  • 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 39.
  •