Wie oft und wie viel Wasser braucht der Mini Baum? Wurzelbox Stefan Knauf Cactus XV Now part of the Mercedes Benz Art Collection. Installed at the Mercedes Benz headquarters in Stuttgart, the galvanized steel cactus rises from a field of gravel. @stefan_knauf @mercedesbenz Stefan Knauf, Lrmschutzwnde Koko wall und Noise Reducer Heras heinze.de Calathea crocata, aka Eternal Flame plant: The word Calathea comes from the Greek for basket or vessel, while crocata means yellow like a crocus.