Banksia attenuata and Banksia sessilis are in the same genus, but their life strategies reflect how they react to poor nutrition.
You can read the post online at https://www.botany.one/2021/09/foliar-nutrient-allocation-patterns-in-banksia-attenuata-and-b-sessilis/
You can read the original article at https://doi.org/10.1093/aob/mcab013
and the commentary at https://doi.org/10.1093/aob/mcab084