plural noun

: an order of extinct gymnospermous plants first known from the Pennsylvanian and probably extinct since the Mesozoic that had tall arborescent trunks structurally comparable to or more advanced than those of cycads and branched in the upper part, long simple parallel-veined leaves spirally arranged, and separate male and female strobili see cordaitaceae

Word History


New Latin, from Cordaites + -ales

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Dictionary Entries Near Cordaitales

Cite this Entry

“Cordaitales.” Dictionary, Merriam-Webster, Accessed 21 Apr. 2024.

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