Elaphoglossum - Lomariopsidaceae

Elaphoglossum angulatum (Blume) T.Moore

 

 

 

 

Synonyms

Acrostichum angulatum Blume

Common name

Description

Rhizomes long-creeping, 2–5 mm diameter; rhizome scales ovate to lanceolate in outline, orange-tan to brown, dull to lustrous, ± 4 mm, entire or with occasional short irregular processes; phyllopodia 1 cm long, blackish. Fronds coriaceous, dimorphic. Sterile fronds 15–32 cm; stipe ± 1/2 the frond length, stramineous to tan, 1 mm diameter, with scales scattered, lanceolate to ovate in outline, 1.5 mm long, orange-tan with processes; lamina elliptic in outline, 8–15 x 1.5–3.5 cm, glabrous, apex rounded to tapering to a point, base broadly wedge-shaped; costa prominent, scales scattered, ± ovate with irregular processes yellow-brown to brown, ovate to lanceolate, ± 1 mm; veins ± 1 mm apart, at 70° angle to costa; hydathodes absent. Fertile fronds slightly longer than the sterile; stipe 2/3 the frond length; blade elliptic in outline, 15–16 x 2.5 cm, apex tapering to a point, base broadly wedge-shaped; intersporangial scales absent.

Notes

Differs from E. conforme by having a more pointed blade apex and the thickening back from pale, thin edge.

Derivation

Habitat

Moist montane forest.

Distribution worldwide

Africa, Madagascar, Réunion, Sri Lanka, Philippines, Taiwan, Sumatra, Borneo, Java, New Guinea.

Distribution in Africa

Burundi, Congo, Dem. Republic of Congo, Kenya, Tanzania .

Growth form

Epiphytic, terrestrial.

Literature

  • Mickel, J.T. (2002) Lomariopsidaceae. Flora of Tropical East Africa, Pages 10 - 12. (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. Pages 125 - 126.
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