⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35131843, with some changes.
This name is a synonym of Oxystegus cylindricus var. daldinianus .
The record derives from Tropicos which reports it as a synonym (record 35131843
) with original publication details: Atti Reale Univ. Genova 1: 563 563 1869.