“…In the long-term, cup plant and Virginia mallow could become a profound alternative to common energy and fibre plants (Wever et al 2020). They are high yielding perennials with up to 25 t dm ha -1 a -1 , a superior nutrient use efficiency due to their extensive root system (Schoo et al 2017;Franzaring et al 2015), and cup plant offers a wide range of useful chemical substances for the pharmaceutical or agrochemical industry (Lunze et al 2021). Furthermore, they provide environmental benefits like phytoremediation, pollination, soil health regulation, CO2 sequestration, habitat connectivity, as well as an increase in biodiversity and minimization of soil erosion (Cumplido-Marin et al 2020;.…”