⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-63762, with some changes.
This name is a synonym of Helianthus praecox .
The record derives from TICA which reports it as a synonym (record 29769B68-6F5D-40EA-91FE-B951FA8E1CC6
) with original publication details: Madroño 13: 160 160 1956.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:119094-2
.