The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is
Polyadelphous
Monadelphous
Diadelphous
Polyandrous
Polyadelphous refers to the condition when connate stamens are joined partially into three or more than three groups. If only anthers are fused or joined, it is called as synandrous. In china rose, filaments are fused to form a stamina tube, thus it is monoadelphous.