Yes, Madagascar tops the list globally in terms of the percentage of plant species endemic to a single island. This is because, as I've said, Madagascar is highly species-rich.

Madagascar, an island nation located off the southeastern coast of Africa, is famous for its unique biodiversity, stunning ...

Having completed its separation from all other land masses more than 60 million years ago, Madagascar’s plant and animal life evolved in isolation. The rainforests are inscribed for their importance ...