Flowers with flat flowers in a flower garden - cultivation and classification What unites Ammi large, stemless thistle, plantain doronicum, Mlokosevich's peony? It is true that in all these plants the flowers or inflorescences resemble a saucer or a wide cup, that is, they are much more developed in the horizontal plane than vertically, which is why they can be considered flat. The famous Pete Udolph highlights the umbrellas and ...