The oxeye daisy.
Marguerite daisy
Marguerite
Marguerite Daisy
botanical French name for the flower daisy. As a variation of the name, "Margaret," "Marguerite" also means, "a pearl."
In 1940, Marguerite Breithaupt(better known as Marguerite Henry) wrote a book called Auno and Tauno: A Story of Finland, illustrated by Gladys Rourke Blackwood.
Flower = fleur : rose, pivoine (peony), marguerite (daisy), coquelicot (poppy), tournesol (sunflower), tulipe (tulip), pissenlit (dandelion)
The scientific or taxonomic name would be Argyranthemum foeniculaceum.
No there is no such thing as a a flower called Jocelyn.
A seed flower is called an ovule
Marguerite the girl and the two sons called Jean and Pierre.
There is a rare tropical flower called "The Parrot Flower" this may be what you are looking for.