19. Dysoxylum quadrangulatum Culmsee in Blumea 53: 602. 2008

– Holotype: Indonesia, Sulawesi, Lore Lindu National Park, Pono valley (Toro), Culmsee 606 (L barcode L 0821015!).

Distribution. – Sulawesi.

Note. – This taxon and the whole Dysoxylum cyrtobotryum complex need further analysis.