What is "roeperocharis"

Roeperocharis is a genus of flowering plants from the orchid family, Orchidaceae, native to eastern Africa. As of June 2014, the following species are recognized:

1. Roeperocharis alcicornis Kraenzl. in H.G.Reichenbach - Ethiopia
2. Roeperocharis bennettiana Rchb.f. - Ethiopia, Kenya, Tanzania, Malawi, Mozambique, Zambia
3. Roeperocharis maleveziana Geerinck - Zaïre
4. Roeperocharis urbaniana Kraenzl. in H.G.Reichenbach - Ethiopia
5. Roeperocharis wentzeliana Kraenzl. - Zaïre, Tanzania, Malawi, Zambia