Wikipedia
Trochetiopsis
The flowering plant genus Trochetiopsis consists of two extant and one extinct species endemic to the island of Saint Helena (South Atlantic Ocean). They were formerly placed in the family Sterculiaceae, but this is included in the expanded Malvaceae in the APG and most subsequent systematics.
There is evidence from fossil pollen that the Trochetiopsis lineage has been on Saint Helena since the late Miocene (some 9.5 million years).