The Collaborative International Dictionary
Scrophulariaceous
Scrophulariaceous \Scroph`u*la`ri*a"ceous\, a. (Bot.) Of or pertaining to a very large natural order of gamopetalous plants ( Scrophulariace[ae], or Scrophularine[ae]), usually having irregular didynamous flowers and a two-celled pod. The order includes the mullein, foxglove, snapdragon, figwort, painted cup, yellow rattle, and some exotic trees, as the Paulownia.
Wiktionary
scrophulariaceous
a. (context botany English) Of or relating to the Scrophulariaceae.