Question

Why China rose stamens as epipetaloid

Answer 1

A stamen is one of the basic part of the flower
Stamens are usually referred to as Male reproductive part of flower
stamens has two parts anther and filament
Sometimes the filaments of stamens are attached with the petals to some extent
Such stamens are called epipetalous stamens
If the filament of all the stamens are fused to form single tube is called staminal tube
Then this condition is called as monadelphous condition

Answer 2

The stamens of china rose are united into  monoadelphous condition.China rose stamens as epipetaloid because:

♦ In china rose, petals are also attached with stamens. That's why they are epipetalous.

♦ And because china rose stamens are generally arise from petals.