⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-13019657, with some changes.
This name is a synonym of Rhynchosia senna var. angustifolia (A.Gray) Grear.
The record derives from Tropicos which reports it as a synonym (record 13019657) with original publication details: Pl. Hort. Schoenbr. 2: 55 55 1797.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:496656-1.