⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50107683, with some changes.
This name is a synonym of Sphaerostigma spirale var. clypeatum .
The record derives from Tropicos which reports it as a synonym (record 50107683
) with original publication details: Monogr. Onothera 222 222 1905.