: a genus of Devonian fossil plants (family Rhyniaceae) similar to those of the genus Rhynia but smaller and lacking vascular tissue in the rhizome and considered to be one of the earliest forms of vascular land plants

Word History


New Latin, from horneo- (from English horn) + phyton

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Dictionary Entries Near Horneophyton

Cite this Entry

“Horneophyton.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Horneophyton. Accessed 23 May. 2024.

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