⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-38158, with some changes.
This name is a synonym of Helianthus petiolaris Nutt..
The record derives from TICA which reports it as a synonym (record C875ACC0-69C1-4169-8245-46C7CAFD2A9D) with original publication details: Ind. Sem. Hort. Hamburg. (1821) 8 8 1821.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:212212-1.