⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Exacum zeylanicum in version 1.1 of The Plant List.

Exacum zeylanicum var. ritigalense Willis is a synonym of Exacum trinervium subsp. ritigalense (Willis) L.H. Cramer

This name is a synonym of Exacum trinervium subsp. ritigalense (Willis) L.H. Cramer.

The record derives from Tropicos which reports it as a synonym (record 50250967) with original publication details: Ann. Roy. Bot. Gard. (Peradeniya) 3(2): 282 282 1907.