Elaphoglossum - Lomariopsidaceae

Elaphoglossum conforme (Sw.) J.Sm.

 

 

 

 

Synonyms

Acrostichum conforme Sw.
Elaphoglossum conforme Schott ex J.Sm. var. glandulosum Carmich. ex T.Moore

Common name

Description

Rhizome long-creeping, 4–6 mm diameter; rhizome scales ovate- to linear-lanceolate in outline, margin entire or irregularly toothed with occasional hair-like processes, 4 mm long, yellow-brown to brown, dull to lustrous; phyllopodia 1 cm, blackish. Fronds dimorphic, spaced c. 1cm apart, coriaceous. Sterile fronds 15–32 cm long; stipe ± 1/2 the sterile frond length, straw coloured, 1 mm diameter, with lanceolate to ovate scattered scales, 1.5 mm, yellow-brown with processes; lamina simple, elliptic in outline, apex rounded to pointed, base wedge-shaped to broadly so, 4–18 x 1.6–3.2 cm; veins ± 1 mm apart, at 70° angle to costa; hydathodes absent; costa scales scattered, nearly ovate with irregular processes, yellow-brown, lanceolate, ± 1 mm; laminar surfaces with scattered minute dot-like scales exuding a sticky resin or rarely minute peltate scales to glabrous on the undersurface, upper surface less so; young unrolling fronds sticky. Fertile fronds slightly shorter to than the sterile; stipe 2/3 the fertile frond length; lamina lanceolate-oblong to elliptic in outline, 11–12 x 2.7 cm, apex pointed, base rounded; porangia covering the whole underside of the fertile lamina; intersporangial scales absent.

Notes

Derivation

conforme : similar to, probably referring to the similarity of this species to several others in the genus.

Habitat

Moist montane forest and Hagenia woodland, wer rock overhangs, rock crevices on cliff faces, recesses in boulder scree.

Distribution worldwide

Africa, St. Helena and Madagascar.

Distribution in Africa

Congo, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Kenya, Liberia, South Africa, Tanzania , Uganda.

Growth form

Epiphytic, lithophytic.

Literature

  • Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide. Struik Nature. Pages 502 - 503. (Includes a picture).
  • Mickel, J.T. (2002) Lomariopsidaceae. Flora of Tropical East Africa, Page 14. (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 127.
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