What is "sanderella"

Sanderella is a genus of flowering plants from the orchid family, Orchidaceae, native to South America. Two species are recognized at present (June 2014):

• Sanderella discolor (Barb.Rodr.) Cogn. in C.F.P.von Martius & auct. suc. - Brazil, Bolivia, Argentina
• Sanderella riograndensis Dutra - Brazil, Argentina