Roger Flower died in 1427.
There is an Umbrella Plant - Schefflera arboricola
Flower might be called the "Parent of a plant", because a flower produces seeds and seeds are required to continue the life cycle of a plant.
Linea
The sepal of a plant is sometimes called the calyx. It is the outermost part of the flower that protects the developing bud.
pistil
yes
Is there a plant called Valerie
When pollen grains from the flower of same plant land on the stigma of same flower or other flowers of the same plant, it is called self-p0llinating of a plant.
A Flower called "Narcissus".
It is called the stem or stalk.
knotweed