What is "apetahia"

Apetahia is a genus of plants native to various islands of French Polynesia in the South Pacific.

1. Apetahia longistigmata (F.Br.) E.Wimm - Marquesas
2. Apetahia margaretae (F.Br.) E.Wimm. in H.G.A.Engler - Tubuai
3. Apetahia raiateensis Baill. - Raiatea
4. Apetahia seigelii Florence - Marquesas