⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-19000241, with some changes.

Spigelia humboldtiana var. obtusifolia Progel is a synonym of Spigelia scabra Cham. & Schltdl.

This name is a synonym of Spigelia scabra Cham. & Schltdl..

The record derives from Tropicos which reports it as a synonym (record 19000241) with original publication details: Fl. Bras. 6(1): 261 261 1868.