Of a plant, not flowering; reproducing by means other than pollination from flowers.(adjective)
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Use "nonflowering" in a sentence
""nonflowering," meaning that there should be little chance of accidental contamination of nearby crops."
"New Caledonia has a remarkable diversity of gymnosperms (primitive nonflowering plants that include conifers), with forty-four species (forty-three of which are endemic) out of fifteen genera (at least three of which are endemic)."
"The spores of nonflowering plants are analogous to the seeds of flowering plants."