⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-104379, with some changes.
This name is a synonym of Nelsonia canescens (Lam.) Spreng..
The record derives from Tropicos which reports it as a synonym (record 104379) with original publication details: Sp. Pl. (ed. 6) 1: 419 419 1831.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:52568-1.