17. Begonia sidolensis Dayanti, Ramadanil & Ardi [§ Petermannia], Phytotaxa 439(2): 137 (2020).

– Type: Indonesia, Sulawesi, Central Sulawesi, Gunung Sidole, Aloo Village, 2 xii 2018, E.P. Dayanti ED12 (holotype BO, isotype CEB).

Distribution. Indonesia: endemic to Sulawesi, Central Sulawesi Province (western North biogeographical region), Mount Lolombulan (see Figure 2).

Habitat. Montane rain forests growing terrestrially on steep slopes in dense shade at 1700–1900 m elevation.

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