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Home : Science : Biology : Flora and Fauna : Plantae : Cycadophyta
Cycadophyta
Group of coned, seed-bearing plants. Cycads are among the oldest of the land plants. They are known to have lived in the Permian, over 200 million years ago (before the age of dinosaurs) and they covered much of the earth in the Mesozoic Era. Today they are found only in tropical
and subtropical regions of the world. There are about 250 species in 11 genera.
Cycad plants resemble palms or tree-ferns in overall appearance.
and subtropical regions of the world. There are about 250 species in 11 genera.
Cycad plants resemble palms or tree-ferns in overall appearance.
Sites in Cycadophyta
Cycadophyta
Fossil history.
Introduction to the Cycads
An excellent place to begin learning about the Cycads
Virtual Cycad Encyclopedia
Good source for information on Cycads. Includes taxonomy, biology, photos, links.
PACSOA - Cycads
Includes many articles, detailed species accounts, and images. From the Palm and Cycad Societies of Australia (PACSOA).
The Cycads: Fossils of the Past
An introduction.
The Cycad Pages
Extensive botanical database on the known cycads, including identification and classification, ecology and conservation, cycad evolution and the fossil record, geography and distribution, and horticultural information.
University of Georgia Greenhouses - Non-flowering Plants
Includes images of the cycad collection. |
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sub categories in Cycadophyta
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