Cochlidium - Polypodiaceae

Cochlidium serrulatum (Sw.) L.E. Bishop

Photo: P. Ballings
Zimbabwe

Photo: P. Ballings
Zimbabwe

 

 

 

 

Synonyms

Grammitis serrulata (Sw.) Sw.
Xiphopteris serrulata (Sw.) Kaulf.

Common name

Description

Rhizome erect, up to 1 mm thick; rhizome scales brown, lanceolate in outline, up to 1 mm long. Fronds tufted, erect, firmly membranous, subsessile, fertile fronds longer than sterile fronds. Stipe very short, brown, glabrous. Lamina up to 35 × 2 mm, glabrous, linear to very narrow oblanceolate in outline, base long tapering, apex broadly acute to rounded, deeply pinnatifid about halfway to the midrib into acute triangular or oblong obtuse lobes each with a single conspicuous vein, midrib immersed. Sori 6-8 per frond, borne on the veins in the widened upper third part of the frond, fusing to form a soral mass at maturity.

Notes

Can be distinguished from other species by its simple toothed fronds.

Derivation

serrulata: finely toothed, referring to the margins of this species.

Habitat

Quartzite boulders in low-altitude evergreen forest.

Distribution worldwide

Africa, Madagascar.

Distribution in Africa

Equatorial Guinea (incl. Bioko), Gabon, Guinea, Ivory Coast, Liberia, Sierra Leone, Zimbabwe.

Growth form

Epiphytic, lithophytic.

Literature

  • Burrows, J.E. (1990) Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 187. As Grammitis serrulata (Includes a picture).
  • Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Page 299. As Xiphopteris serrulata (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 152.
  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13 Pages 108 - 109.
  • Schelpe, E.A.C.L.E. (1970) Pteridophyta. Flora Zambesiaca, 0 Page 144. As Xiphopteris serrulata
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