Distribution
Asia-Tropical: Sumatera (Sumatera present), Sibajak present, Siboga present, Sibolangit present, Toba present
Sumatra (Sibolangit, Sibajak, Toba, Siboga).
Taxonomy
This entity matches the ± typical material of the species in some features and F. tricolor in others (like the coriaceous, entire, and smooth lamina). Considering the morphological and ecological similarities with F. tricolor it could be regarded as an infraspecific entity as well.
