What is "benoistia"

Benoistia is a genus of shrubs or trees of the spurge family ( Euphorbiaceae) and the monotypic subtribe Benoistiinae. It was first described as a genus in 1939. The entire genus is endemic to Madagascar.

1. Benoistia orientalis Radcl.-Sm. - N + E Madagascar
2. Benoistia perrieri H.Perrier & Leandri - Madagascar
3. Benoistia sambiranensis H.Perrier & Leandri - N Madagascar