16. Begonia rolandfadlii Dayanti, Ramadanil & D.C.Thomas [§ Petermannia], Phytotaxa 439(2): 140 (2020).

– Type: Indonesia, Sulawesi, Central Sulawesi, Gunung Sidole, Aloo Village, 26 xii 2018, E.P. Dayanti ED9 (holotype BO, isotype CEB).

Distribution. Indonesia: endemic to Sulawesi, Central Sulawesi Province (western North biogeographical region). Known from only Gunung Sidole (see Figure 2).

Habitat. Primary upland forest, terrestrially on steep slopes with thick leaf litter layer, in dense shade, at c. 930 m elevation.

Proposed IUCN conservation category. Vulnerable (VU D2) (Dayanti et al., 2020).