Word Study
iridaceous
CIDE DICTIONARY
iridaceous, a. [From NL. Iris, Iridis, the Iris.].
Pertaining to, or resembling, a large natural order of endogenous plants (Iridaceæ ), which includes the genera Iris , Ixia , Crocus , Gladiolus , and many others. [1913 Webster]
OXFORD DICTIONARY
iridaceous, adj. Bot. of or relating to the family Iridaceae of plants growing from bulbs, corms, or rhizomes, e.g. iris, crocus, and gladiolus.
Etymology
mod.L iridaceus (as IRIS)
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