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 . Hypoestes rodriguesiana Balf fil Balf flower bud in involucre involucre from inside and calyx calyx from inside fully opened flower flower from inside stamen transverse section of ovary vertical section of ovary Philosophical Transactions of the Royal Society An Account of the Petrological Botanical and Zoological Collections