- belonging to the Onagraceae, the evening primrose family of plants.
Compare evening primrose family.
Origin of onagraceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of, relating to, or belonging to the Onagraceae, a family of flowering plants including fuchsia and willowherb
C19: via New Latin Onagrāceae, from Latin onager; see onager