⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-13057978, with some changes.
This name is a synonym of Colutea melanocalyx subsp. davisiana (Browicz) Chamberlain.
The record derives from Tropicos which reports it as a synonym (record 13057978) with original publication details: Monogr. Bot. 14: 58, 128 58 1963.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:486823-1.