⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50102511, with some changes.
This name is a synonym of Ptelea trifoliata subsp. angustifolia .
The record derives from Tropicos which reports it as a synonym (record 50102511
) with original publication details: Pl. Hartw. 9 9 1839.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:774894-1
.