Bulbophyllum falcatum is a species of plant in the Orchidaceae family endemic to tropical Africa from Sierra Leone

Sierra Leone

Sierra Leone , officially the Republic of Sierra Leone, is a country in West Africa. It is bordered by Guinea to the north and east, Liberia to the southeast, and the Atlantic Ocean to the west and southwest. Sierra Leone covers a total area of and has an estimated population between 5.4 and 6.4...

 up to the Congo

Congo Basin

The Congo Basin is the sedimentary basin that is the drainage of the Congo River of west equatorial Africa. The basin begins in the highlands of the East African Rift system with input from the Chambeshi River, the Uele and Ubangi Rivers in the upper reaches and the Lualaba River draining wetlands...

 and western Uganda

Uganda

Uganda , officially the Republic of Uganda, is a landlocked country in East Africa. Uganda is also known as the "Pearl of Africa". It is bordered on the east by Kenya, on the north by South Sudan, on the west by the Democratic Republic of the Congo, on the southwest by Rwanda, and on the south by...

. It is a member of the section Megaclinium. It has rachis shaped like a wing that are about 10 cm long and 8-10 mm thick. On each side of the rachis are a row of flowers with 10-15 flowers per row. The sepals of the flowers are a dark red and the petals are extremely small and resemble a thread. Of the floral parts the dorsal sepal is the biggest being 8-9 mm long and visually the most prominent part of the flower. Towards the end of the dorsal sepal there is a yellow thicker area.