Hypertext Webster Gateway: "iridaceous"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Iridaceous \Ir`i*da"ceous\, Irideous \I*rid"e*ous\, a. [From NL.
Iris, Iridis, the Iris.] (Bot.)
Pertaining to, or resembling, a large natural order of
endogenous plants ({Iridace[ae]}), which includes the genera
{Iris}, {Ixia}, {Crocus}, {Gladiolus}, and many others.
From WordNet (r) 1.7 (wn)
iridaceous
adj : of or pertaining to or characteristic of plants of the
family Iridaceae
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