Drosophyllum lusitanicum, also known as the Portuguese sundew or dewy pine, is unusual even for carnivorous plants in that it lives in dry environments. Typically, carnivorous plants live in nutrient-poor wetlands, so does it really gain much from carnivory?
Strigolactones are interesting phytohormones in their own right, but Luke Omoarelojie and colleagues say we should be looking at cross-talk with other hormones too.
A new paper in Science highlights how variation in an environment can mean plants have no single solution for survival. Where conditions change, genetic diversity can be the best option for a species.