iridaceousyoudaoicibaDictYouDict[iridaceous 词源字典]
"Relating to or denoting plants of the iris family (Iridaceae), which grow from bulbs, corms, or rhizomes", Mid 19th century: from modern Latin Iridaceae (plural), based on Greek iris, irid- 'rainbow', + -ous.[iridaceous etymology, iridaceous origin, 英语词源]