FROM behind the window of the Imaging Laboratory, Cibodas Botanical Garden, Cianjur, West Java, Aisyah Handayani pointed at a tree with orange flowers. African tulip tree (Spathodea campanulata)—so is the tree called—is flourishing at the rear of the building. Aisyah, a researcher from the Ecology and Ethnobiology Research Center, National Research and Innovation Agency (BRIN), mentioned it as an example of an alien plant or inva