Simple:
Naturally evolved roses usually have five petals.
Domestic roses have additional petals that were bred from the stamens.
Better:
There are a over a hundred species of roses in the genus Rosa.
You can find exceptions to many of the general characteristics described.
Exact numbers of petals, stamen and pistils, depends on the specie.
(There are, in addition, an unknown number of cultivars.)
Naturally evolved roses generally have five sepals, five petals and many spirally arranged stamens. The bases of the sepals, petals, and stamens are fused together to form a cup-like structure.
Domestic roses have additional petals that were bred from the stamens.
Roses have several to many pistils.
It depends on the tye and variety.
It may just five .. or as many as 60 may be. It simply depends on the plant itself rose Some hybrids have an average of 45 is that some of these hybrids have very little odor
There are indefinite number of petals in rose flower due to conversion of stamens in to petals
5
The Cherokee Rose is a single flower that lays flat as it absorbs the sun's rays. The 5 petals are white in color. There are 5 sepals beneath the petals. The center of the flower is bright gold.
Rose stalk may budded with the buds from rose plants having large count of petals in each flower.
their are 5 sepals and petals in flower none you moron! @arondelosangeles
The wild rose have 5 petals and indefinite number of stamens but in cultivated roses there are indefinite number of petals and stamens due to modification of some stamens in to petals. The carpel is pear shaped.
Euphorbia flower does not have petals.
attre
A lavender rose does not a have a certain number of petals. It depends on each flower how many it has.
A cabbage rose is a plant of a hybrid rose species with large numbers of petals, or the fragrant flower of such a plant.
A rose is a flower, not a fuit.
Presence of indefinite number of petals by modification of stamens into petals