Oxyanthus tubiflorus

Oxyanthus tubiflorus, known as the needle flower, is a member of the Rubiaceae family. It is found in Sierra Leone, Guinea, and likely neighboring Liberia. The plant has opposite leaves measuring 3 to 7 inches in length and 1 to 3 inches in width. Its flowers are elongated, reaching up to 18 cm in length, and are adapted for pollination by a specific species of sphinx moth. The species was formally described in 1830 and belongs to the genus Oxyanthus.