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How long can cycad leaves grow?
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Cycadophyte
Cycas circinalis.
The size of cycad leaves is highly variable across different species. The smallest cycad, Zamia pygmaea, produces leaves that are approximately 20β30 cm long. Conversely, some species within the genera Macrozamia, Lepidozamia, Ceratozamia, and Cycas can grow leaves reaching three metres in length.1