What is "pervillaea"

Pervillaea is a genus of plants in the Milkweed family, Apocynaceae, first described as a genus in 1844. It is native to Mauritius and Madagascar in the Indian Ocean.

1. Pervillaea brevirostris Klack. - Mauritius
2. Pervillaea decaryi (Choux) Klack. - Madagascar
3. Pervillaea phillipsonii Klack. - Madagascar
4. Pervillaea tomentosa Decne. - Madagascar
5. Pervillaea venenata (Baill.) Klack. - Madagascar