SINCE 1828
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Equisetales

plural noun
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Eq·​ui·​se·​ta·​les

Definition of Equisetales

: an order of lower tracheophytes (subdivision Sphenopsida) that have the sporangiophores inserted directly on the axis and have existed since the Devonian — see calamariaceae, equisetaceae — compare archaeocalamites

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History and Etymology for Equisetales

New Latin, from Equisetum + -ales

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Dictionary Entries Near Equisetales

Equisetaceae

Equisetales

equisetic

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Cite this Entry

“Equisetales.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Equisetales. Accessed 7 Jul. 2022.

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