Polypodiaceae

Loxogramme (Blume) C. Presl

Photo: P. Ballings
Zimbabwe

 

Description of the genus

Rhizome widely creeping, slender, roots hairy; rhizome scales greyish, narrowly lanceolate-acuminate and hair-pointed. Fronds spaced apart, simple, thickly coracious, lanceolate, apex pointed. Stipe up to 3 cm long or pseudo-stipe in form of a narrow, winged extension of the lamina. Lamina entire, glabrous, with sunken midrib and obscure veins. Sori elongate, linear, set at an angle of c. 15% to the midrib, without paraphyses.

 

Derivation of name:  loxos: oblique, gramma: line; referring to the line of obliquely set sori on each side of the midrib.

Worldwide: c. 25 species, tropical and warm temperate distribution with the largest concentration of species in Asia

 

 

We have 3 taxa in the database for Loxogramme.

  • Loxogramme abyssinica (Baker) M.G. Price
  • Loxogramme buettneri (Kuhn) C.Chr.
  • Loxogramme latifolia Bonap.
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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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