Hawaiian botanists’ drone discovers a plant thought to be lost forever
A drone has helped botanists in Hawaii to find a flower that they thought was extinct. Hibiscadelphus woodii, to give it its official name, was recently rediscovered growing on a vertical cliff face in a remote part of Kalalau Valley on the Hawaiian island of Kauai. Inaccessible on foot because of its challenging topography, researchers from the National Tropical Botanical Garden (NTBG) turned to drone technology to explore the biodiversity hotspot....