Elaphoglossum - Lomariopsidaceae

Elaphoglossum tanganjicense Pic.Serm.

Photo: P. Ballings
Rwanda

Photo: P. Ballings
Rwanda

Photo: P. Ballings
Rwanda

Photo: P. Ballings
Rwanda

Photo: P. Ballings
Rwanda

Photo: P. Ballings
Rwanda

Photo: P. Ballings
Rwanda

 

 

 

 

Synonyms

Common name

Description

Rhizome compact, ± 3 mm diameter; rhizome scales linear-lanceolate in outline, castaneous, shiny, ± 5 mm long, margin cilio-denticulate, cilia seem weak and often not rigid; phyllopodia to 1 cm, castaneous. Fronds dimorphous, clumped, pendulous, thin. Sterile fronds 30–58 cm long; stipe 1/4–1/3 the sterile frond length, orange-tan, 1.2–1.5 mm diameter, scales abundant, linear-lanceolate in outline, 4–8.5 x ± 1 mm, orange-tan with castaneous teeth; lamina narrowly elliptic in outline, (18–)30–65 x 2.5–5 cme, apex pointed, base wedge-shaped; veins 1.5–2 mm apart, at 75–80° angle to costa, simple to once-branched; hydathodes absent; costal scales 5–6 mm long; both surfaces with orange-tan, linear-lanceolate, toothed scales. Fertile fronds: shorter than the sterile fronds; stipe 1/3–1/2 the fertile frond; lamina linear-elliptic in outline, 14–16 x 0.8–1.1 cm, apex rounded, base rounded; intersporangial scales absent.

Notes

Derivation

tanganjicense: from Tanganyika, present day Tanzania, where the type specimen was found.

Habitat

Moist montane forest.

Distribution worldwide

Africa, comoro Isl.

Distribution in Africa

Dem. Republic of Congo, Ethiopia, Kenya, Malawi, Rwanda, Tanzania .

Growth form

Epiphytic, terrestrial.

Literature

  • Fisher E. & Killmann D. (2008) Illustrated Field guide to the Plants of Nyungwe National Park Rwanda. University of Koblenz-Landau. Pages 54 - 55. (Includes a picture).
  • Fisher E. & Lobin W. (2024) Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda.Willdenowia, 53 Page 162.
  • Mickel, J.T. (2002) Lomariopsidaceae.Flora of Tropical East Africa, Pages 26 - 27. (Includes a picture).
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