plural noun

Definition of Cycadales

: an order of gymnospermous plants abundant in the Mesozoic but now reduced to a few localized and widely scattered tropical forms that have an unbranched trunk which is tall and arborescent or squat and tuberous with a large pith and starchy cortex and that bears a terminal crown of long pinnate leaves together with one or more very large cones — see cycadaceae

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History and Etymology for Cycadales

New Latin, from Cycad-, Cycas + -ales

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Cite this Entry

“Cycadales.” The Dictionary, Merriam-Webster Inc., Accessed 14 December 2019.

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