Elaphoglossum - Lomariopsidaceae

Elaphoglossum tanganjicense Pic.Serm.






Common name


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.


Only in Flora Tropical East Africa as accepted taxa, otherwise unresolved. Distinguished from E. deckenii by stipe scales of sterile fronds and rhizome scales; characters of frond size and scale coloration seem to be quite variable and do not distinguish E. tanganjicense from E. deckenii.


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


Moist montane forest.

Distribution worldwide

Africa, comoro Isl.

Distribution in Africa

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

Growth form

Epiphytic, terrestrial.


  • Mickel, J.T. (2002) Lomariopsidaceae. Flora of Tropical East Africa, Pages 26 - 27. (Includes a picture).