In china rose, the stamens are united into one bunch or one bundle this condition is known as known as monoadelphous. When stamens are attached to the petals, they are epipetalous. for example brinjal.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.