Iridin is an isoflavone, a type of flavonoid.

It is the 7-glucoside of irigenin and can be isolated from several species of irises like orris root, Iris florentina[2] or Iris versicolor, also commonly known as the larger blue flag.

It can also be found in Iris kemaonensis.

[3][4] The compound is toxic and these plants have been mentioned as causing poisoning in humans and animals.

[5] This article about an aromatic compound is a stub.