⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2730906, and has not been changed.
This name is a synonym of Colignonia parviflora subsp. biumbellata (Ball) J.E.Bohlin.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. Jahrb. Syst. 42: 78 1908.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:63116-2.