: a small genus of terrestrial orchids of eastern North America that are sometimes included in Pogonia and that have a nearly terminal whorl of leaves and a usually solitary greenish yellow flower with long linear sepal see whorled pogonia

Word History


New Latin, from is- + Greek tria three, neuter of treis three

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Dictionary Entries Near Isotria

Cite this Entry

“Isotria.” Dictionary, Merriam-Webster, Accessed 4 Mar. 2024.

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