The flower Artemisia Princeps, also known as Yomogi in Japan, is a light green flower that is commonly used for cooking and baking, as well as for tea.
The Sailor Manyo series is based off of the Man'yōshū, a Collection of Ten Thousand Leaves. It is the oldest and one of the most revered collections of classical Japanese poems ever compiled. A great number of the poems mention various beautiful flowers from Japan.