Bidens chippii
Bidens chippii is a species of flowering plant in the family Asteraceae. It belongs to the genus Bidens. The plant was at first named Coreopsis chippii after British botanist Thomas Ford Chipp (1886–1931)). Chipp found it on 11 February 1929 growing in scrub at an altitude of  on top of Mount Kinyeti in the Imatong Mountains of southern Sudan. References

chippii
Endemic flora of South Sudan
Plants described in 1929