⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-63947, with some changes.
This name is a synonym of Helianthus giganteus .
The record derives from TICA which reports it as a synonym (record 0D18C8ED-A0EE-42D6-9F6C-BAD43B8CF2B6
) with original publication details: 74 1972.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:119199-2
.