What is a large African antelope (Alcelaphus Lichtensteini), allied to the hartbeest, but having shorter and flatter horns, and lacking a black patch on the face called?

konze — A large African antelope (Alcelaphus Lichtensteini), allied to the hartbeest, but having shorter and flatter horns, and lacking a black patch on the face. (Webster's 1913.)

Sources