Iridaceous
Pronunciation : Ir`i*da"ceous, I*rid"e*ous
Part of Speech : a.
Etymology : [From NL. Iris, Iridis, the Iris.] (Bot.)
Definition : Defn: Pertaining to, or resembling, a large natural order of endogenous plants (Iridace?), which includes the genera Iris, Ixia, Crocus, Gladiolus, and many others.
Source : Webster's Unabridged Dictionary, 1913