Tree Farn
by Eva Lechner
Title
Tree Farn
Artist
Eva Lechner
Medium
Photograph - Photograph
Description
The order Cyatheales, which includes the tree ferns, is a taxonomic division of the fern class, Polypodiopsida. No clear morphological features characterize all of the Cyatheales, but DNA sequence data indicate the order is monophyletic. Some species in the Cyatheales have tree-like growth forms, but others have rhizomes.
Some species have scales on the stems and leaves, while others have hairs. However, most plants in the Cyatheales are tree ferns and have trunk-like stems up to 10 metres (33 ft) tall. It is unclear how many times the tree form has evolved and been lost in the order.
Photographed at the beginning of the hiking trail to Queimadas
Copyright 2018 Eva Lechner
Uploaded
July 12th, 2018
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Viewed 494 Times - Last Visitor from Ottawa, ON - Canada on 04/20/2024 at 1:48 AM
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