This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
PTRS . Psiadia coronopus Benth Lam Cass inflorescence vertical section of inflorescence ray flower with involucral scale disk flower with basal scale stamina and style of disk flower Philosophical Transactions of the Royal Society An Account of the Petrological Botanical and Zoological Collections Made in Kerguelen's Land and