The ability to smell smoke is important if you're expecting a fire - but some plants have altered how they use this sense to modify how they grow.
Read the blog post at https://www.botany.one/2022/02/why-would-a-plant-that-doesnt-live-a-wildfire-zone-need-to-be-able-to-smell-smoke/
Read the original research at https://doi.org/10.1038/s42003-022-03085-6