Sepal
It sounds like you are describing the sepals. They look like that on some flowers. On other flowers, the sepal is colored the same or different than the petals.
Those are likely sepals, the outer protective covering of a flower bud. Sepals are usually green and enclose the flower bud before it blooms.
there is a species of helleborus that has green flowers
"There is actually a green flower. Its a term meaning an organic flower. You can buy a ""Green"" Flower you can try Organic Bouquet, they sell organic plants"
The structures you are describing are called sepals. Sepals are typically green and leaf-like, forming the outer part of the flower bud and encircling the base of the flower stem beneath the petals. They protect the flower before it blooms and can sometimes provide additional support for the petals. Together with the petals, they make up the flower's non-reproductive parts.
It contain chlorophyll
Poppy flowers typically have two sepals. These sepals are usually green and serve to protect the developing flower bud before it blooms. Once the flower opens, the sepals often fall away.
you have to grow the green bell flower.
The green part that surrounds the flower bud is called the sepals. Sepals are important in protecting the developing flower bud and are typically green in color.
A flower usually found off of large rivers or canals. green and red in color, and about 1 inch in diameter
Sepals protect a young flower by enclosing it before it blooms. Sepals are usually green and located at the base of the flower.
green rose