Along with the color, the form of the flower calls attention to itself. Here's the anatomy review for a bearded iris flower (all these parts look like petals): ...

Experiments with Iris pseudacorus (Yellow Iris) reveal the mechanics of a sudden-release phenomenon in these flowers caused by slow bending of the outer tepals while their top-margins cling together, ...

Bearded irises are a primary and much-loved crop on the farm, with nearly 200 varieties rowed out in their field. Estrada thinks bearded iris are underrated, both in the garden and as a cut flower.