iridaceous

[ ir-i-dey-shuh s, ahy-ri- ]
/ ˌɪr ɪˈdeɪ ʃəs, ˌaɪ rɪ- /

adjective

belonging to the Iridaceae family of plants.
Compare iris family.

Origin of iridaceous

1850–55; < New Latin Iridace(ae) (see irid, -aceae) + -ous

British Dictionary definitions for iridaceous

iridaceous
/ (ˌɪrɪˈdeɪʃəs, ˌaɪ-) /

adjective

of, relating to, or belonging to the Iridaceae, a family of monocotyledonous plants, including iris, crocus, and gladiolus, having swordlike leaves and showy flowers