belonging to the Salicaceae, the willow family of plants.
Compare willow family.
Origin of salicaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
of, relating to, or belonging to the Salicaceae, a chiefly N temperate family of trees and shrubs having catkins: includes the willows and poplars
Word Origin for salicaceous
C19: via New Latin from Latin salix a willow
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