Helianthus petiolaris DC.
First published in Prodr. 5: 586 (1836), not validly publ.
This species is a synonym of Helianthus annuus
POWO follows these authorities in synonymising this name:
- Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands. [Cited as Helianthus annuus.]
Other Kew resources that provide information on this taxon:
Kew Names and Taxonomic Backbone
- The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0