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Home Home » TYPES » Ferns » Rumohra adiantiformis in a comfortable spot
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Rumohra adiantiformis in a comfortable spot

Rumohra adiantiformis in a comfortable spot
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  • Fern leaf
  • Ferns in habitat
  • Gleichenia polypodioides
  • Polystichum incongruum
  • Pteridium aquilinum
  • Ptisana fraxinea
  • Ptisana fraxinea, a frond
  • Rumohra adiantiformis
  • Rumohra adiantiformis in a comfortable spot
  • Schizaea pectinata or cockscomb fern
  • Schizaea pectinata sporangia are in these comb-like structures
  • Sphaeropteris cooperi, Australian tree ferns at home
  • Todea barbara
  • Todea barbara frond
  • Todea barbara petioles or stipes
  • Todea barbara plant centre
  • Todea barbara spiky pinnae-tips

Image information

Description

This young, lacy frond of Rumohra adiantiformis was seen in Fernkloof at Hermanus among rocks by a stream. Preferring damp, shady spots, the plant has made most of such opportunities in many parts of the world; admired wherever it takes root. The habitat is characterised by trees and boulders where it can hide from wind and full sun that would dry it out. Dappled sunlight is ideal.

The glossy, leathery fronds are three or four times divided in its characteristic pinnate shape. The reddish, scaly rhizome creeps along the ground where the moisture is found to produce more fronds. Its sori are circular, about 2 mm in diameter. The Cape form of this species is said to reach above average sizes.

For a world citizen known to many, R. adiantiformis has a curiously vague family pedigree: some place it in the Dryopteridaceae family, others in Elaphoglossaceae. Broadly speaking it is clearly a pteridophyte, a vascular plant reproduced and dispersed by spores (Bean and Johns, 2005; Wikipedia; www.forestferns.co.za).

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Ivan Latti
Author
Ivan Latti
 
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