Cyatheales

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endangered perennial medicinal 2024 1977

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Home Plants tracheophyta polypodiopsida Cyatheales

A.B.Frank

1877

tree ferns

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Climate | Habitat | History | Research

Summary

The order Cyatheales, which includes most tree ferns, is a taxonomic order 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 from a vertical rhizome, others have shorter or horizontal expanding 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. ...read more on Wikipedia.