belonging to the Polemoniaceae, the phlox family of plants.
Compare phlox family.
Origin of polemoniaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
of, relating to, or belonging to the Polemoniaceae, a chiefly North American family of plants that includes phlox and Jacob's ladder
Word Origin for polemoniaceous
C19: from New Latin Polemōnium type genus, from Greek polemōnion a plant, perhaps valerian
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012