Polypodiaceae

Grammitis Sw.

 

Description of the genus

Plants epiphytic or lithophytic, small. Rhizome short creeping or suberect, scales dark brown. Fronds simple, linear to narrowly spathulate, margin entire to sometimes shallowly crenate, glabrous or with hairs, membranous to coriaceous; veins free or occasionally forked, ending a short distance from the margin. Sori up to 2 mm long, oval, without hairs, borne close to the midrib, exindusiate.

 

Derivation of name:  gramma: line; referring to the parallel lines of sori on each side of the midrib.

Worldwide: c. 160 species occuring throughout the tropics and south temperate regions of the world.

 

 

We have 5 taxa in the database for Grammitis.

  • Grammitis cryptophlebia (Baker) Copel.
  • Grammitis kyimbilensis (Brause ex Brause & Hieron.) Copel.
  • Grammitis poeppigiana (Mett.) Pic.Serm.
  • Grammitis pygmaea (Mett. ex Kuhn) Copel.
  • Grammitis synsora (Baker) copel.
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    Literature

  • Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide. Struik Nature.
  • Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria.
  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13: 1-222.
  • Schelpe, E.A.C.L.E. (1970) Pteridophyta. Flora Zambesiaca, 0: 1-254.
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