Phalaenopsis × gersenii

Phalaenopsis × gersenii is a species of orchid native to Borneo and Sumatra. It is a natural hybrid of Phalaenopsis violacea and Phalaenopsis sumatrana. It is named after Gerrit Jan Gersen (1826-1877). He was a Dutch official, who was deployed to the Dutch East Indies, where he also was active as a plant collector of the Malesian region.

Taxonomy
Phalaenopsis × singuliflora has been viewed as a synonym of Phalaenopsis × gersenii. The other natural hybrid however involves Phalaenopsis bellina instead of Phalaenopsis violacea.