Centaury and Dusty miller

Centaury noun - Any plant of the genus Centaurea.

Dusty miller and centaury are semantically related. In some cases you can replace phrase "Dusty miller" with "Centaury", this terms are similar.

Dusty miller noun - A plant having leaves and stems covered with down that resembles dust.

Centaury and dusty miller are semantically related. Sometimes you can use "Centaury" instead a noun phrase "Dusty miller".