Composite plant and Dusty miller

Composite plant noun - Considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowers.

Dusty miller and composite plant are semantically related. In some cases you can replace phrase "Dusty miller" with "Composite plant", this phrases are similar.

Dusty miller noun - Shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum.

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