Wiktionary
irigenin
n. (context biochemistry English) An O-methylated isoflavone, the 7-glucoside of irigenin, that can be isolated from the rhizomes of the leopard lily (''Belamcanda chinensis'').
Wikipedia
Irigenin
Irigenin is an O-methylated isoflavone, a type of flavonoid. It can be isolated from the rhizomes of the leopard lily ( Belamcanda chinensis), and Iris kemaonensis.